Cosmo's Italian Kitchen
28562 Oso Pkwy # L, Rancho Santa Margarita
(949) 216-9029
Customers' Favorites
Cosmo's Ahi Tuna Caesar Salad
Golden Fried Mozzarella Sticks
Antipasto Italiano Platter
Cosmo’S Garlic Bread
Spaghetti Carbonara
Chicken Parmigiana
Homemade Tiramisu
Cindy's Special
Marinara Sauce
Chicken Panini
Appetizers
FRIED MOZZARELLA STICKS
Italian cheese, fried golden with fresh marinara.
MOZZARELLA CAPRESE
Fresh bufala mozzarella, tomatoes, olive oil and basil.
CALAMARI
Breaded calamari, fried golden brown with fresh marinara sauce.
STEAMED MUSSELS
Mussel cioppino, garlic and herbs in a wine marinara sauce.
ANTIPASTO ITALIANO PLATTER
Prosciutto, salami, capacolla, roasted peppers, eggplant, cheese and kalamata olives.
SEARED AHI TUNA BRUSCHETTA
Garlic crustinis topped with seared rare ahi, bruschetta mix and caesar dressing.
BRITTS BRUSCHETTA
Fresh tomatoes, garlic, green onion and herbs on toasted crustinis.
Soups & Salads
MINESTRONE
Fresh garden vegetable soup. Veggie broth based.
PASTA E FAGIOLI
Famous Italian bean soup with pasta.
JOHN'S HOUSE SALAD
Choice of dressing topped with shaved parmesan and red onion.
CAESAR SALAD
Cosmo's original caesar dressing with parmesan and croutons.
INSALATA AROMATICA
Spring mix baby greens, walnuts and shaved parmesan in a balsamic vinaigrette dressing.
CHOPPED ANTIPASTO SALAD
Prosciutto, salami, capacolla, roasted peppers, eggplant, cheese and kalamata olives chopped and mixed in baby greens.
AHI TUNA CAESAR
Our bruschetta caesar topped with rare ahi tuna.
CREAMY ITALIAN AND FETA BRUSCHETTA
Spring Mix, romaine, bruschetta mix, with creamy Italian dressing and feta.
CAESAR PARM BRUCHETTA
Romaine, bruschetta mix, parmesan croutons with caesar dressing.
GORGONZOLA & CRISPY PROSCIUTTO BRUSCHETTA
Spring mix, romaine, bruschetta mix with Gorgonzola cheese and crispy prosciutto.
Hot Parmigiana Sandwiches
EGGPLANT SANDWICH
Served with a side of pasta salad
CHICKEN PARMIGIANA SANDWICH
Served with a side of pasta salad
ITALIAN SAUSAGE SANDWICH
Served with a side of pasta salad
SAUSAGE, PEPPER & ONION SANDWICH
Served with a side of pasta salad
MEATBALL SANDWICH
Seared with a side of pasta salad
VEAL PARMIGIANA SANDWICH
Served with a side of pasta salad
Traditional Pastas
MARINARA
FRA DIAVOLO
BOLOGNESE
PINK
VODKA CREAM
PESTO
CHECCA
ALFREDO
AGLIO
BUTTER
DRY
PASTA AND MEATBALLS
PASTA AND SAUSAGES
Franco's Pastas
CAPELLINI CHECCA
Diced fresh tomato, garlic and basil
PENNE BALSAMICA
Fresh tomato, garlic, basil, capers, anchovy and olives.
SPAGHETTI PUTANESCA
Fresh tomato, garlic, basil, capers, anchovy and olives
FETTUCCINE ALFREDO WITH CHICKEN
FUSILLI PRIMAVERA
Spiral pasta, tomato, lite pink sauce cream, and spring vegetables.
GNOCCHI ALLA GHIOTTONA
Potato dumplings, cream and bolognese sauce.
ROTELLE EMILIANA
Rolled pasta, spinach, ricotta cheese, parmesan and tomato cream vodka sauce.
SPAGHETTI CARBONARA
Cream, butter, romano cheese, prosciutto, peas & eggs.
Smoked Salmon with Bowtie Pasta
PASTA RUSTICA
Bowtie with grilled chicken, artichoke hearts, sun-dried tomatoes, mushrooms in a roasted garlic cream sauce.
Baked Specialties
LASAGNA
VEGGIE LASAGNA
Grilled eggplant, carrots, zucchini, spinach, mushrooms, mozzarella and tomato, baked to perfection.
EGGPLANT PARMIGIANA
Eggplant, parmesan, mozzarella and basil with marinara sauce
PENNE GHIOTTONA
Baked with creamy bolognese and mozzarella
Seafood
VICKIS CLAMS LINGUINE
CLARAS SCAMPI LINGUINE
SHRIMP RUSTICA
CIOPPINO
SEAFOOD RISOTTO
Secialita Della Casa
CINDY'S SPECIAL
Fresh vegetables with chicken in a spicy fra diavolo sauce.
DOUBLE CUT PORK CHOP MARSALA
Double cut pork chop marsala with mushroom risotto
CHICKEN MARSALA
Chicken breast, sautéed with marsala wine and mushrooms.
CHICKEN GREMOLATA
Grilled chicken breast, garlic, fresh tomatoes, capers and herbs.
CHICKEN PARMIGIANA
VEAL PICATTA
Served with a side of pasta with marinara
TOP SIRLOIN FLORENTINE
CHICKEN PICATTA
VEAL MARSALA
VEAL GREMOLATA
Homemade Ravioli
RICOTTA AND CHEESE RAVIOLI
CHICKEN FILLED RAVIOLI
RICOTTA AND SPINACH RAVIOLI
LOBSTER RAVIOLI WITH LOBSTER CREAM SAUCE
Pizza
10IN CHEESE PIZZA
16IN CHEESE PIZZA
10IN MARGARITA PIZZA
Roma tomatoes and basil
16IN MARGARITA
10IN RUSTICA
16IN RUSTICA
10IN COSMANIA
16IN COSMANIA
Meatballs, sausage, pepperoni, bell peppers, black olives, mushrooms, onions, garlic, and basil.
Name Your Own Small Pizza
Name Your Own Large Pizza
Desserts
HOMEMADE TIRAMISU
HOMEMADE CARROT CAKE
HOMEMADE CHEESECAKE
COSMO'S CANNOLIS
SPUMONI
Beverages
Coca- Cola
Diet Coke
Sprite
Root Beer
Pink Lemonade
San Pellegrino
Milk
Apple Juice
Iced Tea
Kids Drink
Kids Milk
Kids Apple Juice
Appetizers
FRIED MOZZARELLA STICKS
Italian cheese, fried golden with fresh marinara.
MOZZARELLA CAPRESE
Fresh bufala mozzarella, tomatoes, olive oil and basil.
CALAMARI
Breaded calamari, fried golden brown with fresh marinara sauce.
STEAMED MUSSELS
Mussel cioppino, garlic and herbs in a wine marinara sauce.
ANTIPASTO ITALIANO PLATTER
Prosciutto, salami, capacolla, roasted peppers, eggplant, cheese and kalamata olives.
SEARED AHI TUNA BRUSCHETTA
Garlic crustinis topped with seared rare ahi, bruschetta mix and caesar dressing.
BRITTS BRUSCHETTA
Fresh tomatoes, garlic, green onion and herbs on toasted crustinis.
Soups & Salads
MINESTRONE
Fresh garden vegetable soup. Veggie broth based.
PASTA E FAGIOLI
Famous Italian bean soup with pasta.
JOHN'S HOUSE SALAD
Choice of dressing topped with shaved parmesan and red onion.
CAESAR SALAD
Cosmo's original caesar dressing with parmesan and croutons.
INSALATA AROMATICA
Spring mix baby greens, walnuts and shaved parmesan in a balsamic vinaigrette dressing.
CHOPPED ANTIPASTO SALAD
Prosciutto, salami, capacolla, roasted peppers, eggplant, cheese and kalamata olives chopped and mixed in baby greens.
AHI TUNA CAESAR
Our bruschetta caesar topped with rare ahi tuna.
CREAMY ITALIAN AND FETA BRUSCHETTA
Spring Mix, romaine, bruschetta mix, with creamy Italian dressing and feta.
CAESAR PARM BRUCHETTA
Romaine, bruschetta mix, parmesan croutons with caesar dressing.
GORGONZOLA & CRISPY PROSCIUTTO BRUSCHETTA
Spring mix, romaine, bruschetta mix with Gorgonzola cheese and crispy prosciutto.
Hot Parmigiana Sandwiches
EGGPLANT SANDWICH
Served with a side of pasta salad
CHICKEN PARMIGIANA SANDWICH
Served with a side of pasta salad
ITALIAN SAUSAGE SANDWICH
Served with a side of pasta salad
SAUSAGE, PEPPER & ONION SANDWICH
Served with a side of pasta salad
MEATBALL SANDWICH
Seared with a side of pasta salad
VEAL PARMIGIANA SANDWICH
Served with a side of pasta salad
Traditional Pastas
MARINARA
FRA DIAVOLO
BOLOGNESE
PINK
VODKA CREAM
PESTO
CHECCA
ALFREDO
AGLIO
BUTTER
DRY
SPAGHETTI AND MEATBALLS
SPAGHETTI AND SAUSAGES
Franco's Pastas
CAPELLINI CHECCA
Diced fresh tomato, garlic and basil
PENNE BALSAMICA
Fresh tomato, garlic, basil, capers, anchovy and olives.
SPAGHETTI PUTANESCA
Fresh tomato, garlic, basil, capers, anchovy and olives
FETTUCCINE ALFREDO WITH CHICKEN
FUSILLI PRIMAVERA
Spiral pasta, tomato, lite pink sauce cream, and spring vegetables.
GNOCCHI ALLA GHIOTTONA
Potato dumplings, cream and bolognese sauce.
ROTELLE EMILIANA
Rolled pasta, spinach, ricotta cheese, parmesan and tomato cream vodka sauce.
SPAGHETTI CARBONARA
Cream, butter, romano cheese, prosciutto, peas & eggs.
Smoked Salmon with Bowtie Pasta
PASTA RUSTICA
Bowtie with grilled chicken, artichoke hearts, sun-dried tomatoes, mushrooms in a roasted garlic cream sauce.
Baked Specialties
LASAGNA
VEGGIE LASAGNA
Grilled eggplant, carrots, zucchini, spinach, mushrooms, mozzarella and tomato, baked to perfection.
EGGPLANT PARMIGIANA
Eggplant, parmesan, mozzarella and basil with marinara sauce
PENNE GHIOTTONA
Baked with creamy bolognese and mozzarella
Seafood
VICKIS CLAMS LINGUINE
CLARAS SCAMPI LINGUINE
SHRIMP RUSTICA
CIOPPINO
SEAFOOD RISOTTO
Secialita Della Casa
CINDY'S SPECIAL
Fresh vegetables with chicken in a spicy fra diavolo sauce.
DOUBLE CUT PORK CHOP MARSALA
Double cut pork chop marsala with mushroom risotto
CHICKEN MARSALA
Chicken breast, sautéed with marsala wine and mushrooms.
CHICKEN GREMOLATA
Grilled chicken breast, garlic, fresh tomatoes, capers and herbs.
CHICKEN PARMIGIANA
VEAL PICATTA
Served with a side of pasta with marinara
TOP SIRLOIN FLORENTINE
CHICKEN PICATTA
VEAL MARSALA
VEAL GREMOLATA
Homemade Ravioli
RICOTTA AND CHEESE RAVIOLI
CHICKEN FILLED RAVIOLI
RICOTTA AND SPINACH RAVIOLI
LOBSTER RAVIOLI WITH LOBSTER CREAM SAUCE
Pizza
10IN CHEESE PIZZA
16IN CHEESE PIZZA
10IN MARGARITA PIZZA
Roma tomatoes and basil
16IN MARGARITA
10IN RUSTICA
16IN RUSTICA
10IN COSMANIA
16IN COSMANIA
Meatballs, sausage, pepperoni, bell peppers, black olives, mushrooms, onions, garlic, and basil.
Name Your Own Small Pizza
Name Your Own Large Pizza
CALZONE
Desserts
HOMEMADE TIRAMISU
HOMEMADE CARROT CAKE
HOMEMADE CHEESECAKE
COSMO'S CANNOLIS
SPUMONI
Beverages
Coca- Cola
Diet Coke
Sprite
Root Beer
Pink Lemonade
San Pellegrino
Milk
Apple Juice
Iced Tea
Kids Drink
Kids Milk
Kids Apple Juice
Photos
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Recent Reviews
We order take out quite a bit and the last few times the food has been cold to lukewarm. It seems to be on nights when you are not busy and they get to it right away. Then it sits on the counter while wait for the twenty to thirty minutes you give as wait time. I am very disappointed.
November 2025
We had such a great experience at Cosmos thanks to our amazing waitress, Rosie. She was so friendly, thoughtful, and truly went above and beyond. As a young mom herself, she completely understood what it’s like dining out with a toddler, she just got it. She brought out our son’s food early, brought to-go boxes before we even asked (because with a toddler, you’re always on borrowed time!), and made us feel so comfortable and cared for. It’s rare to have someone anticipate...
October 2025
I enjoyed a delicious Italian dinner at Cosmo's Italian Kitchen in RSM. The sauce for the lobster ravioli was creamy, with a balanced mix
of spices, and the bread was soft and fresh. The server Henry was very attentive and professional. The ambiance is also quaint and cozy.
I would highly recommend dinner at Cosmo'. The ocation is not too far from the 5at the corner of Oso and Antonio,
of spices, and the bread was soft and fresh. The server Henry was very attentive and professional. The ambiance is also quaint and cozy.
I would highly recommend dinner at Cosmo'. The ocation is not too far from the 5at the corner of Oso and Antonio,
September 2025
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