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What to order
Reviews
Roman GritsakGoogle
We live nearby and noticed this burger place. The interior is nice and simple. The cook is probably also the owner, everything is cosy and the atmosphere is friendly. Prices are very nice, especially...
8 months ago
Emad AlfadhelGoogle
Excellent experience, the food, in all aspects, the bread, the burgers and the sauces The owner was very welcoming and also help with a smile Burger to life for it
7 months ago
Justas GrikpedisGoogle
Very very good, a lot of options. The buns were great, meat was perfect, staff super nice, definitely visiting again!
8 months ago
Miroslav KřovákGoogle
I can’t believe I’ve just eaten one of the best burgers I’ve ever had. I found this place totally at random on Google Maps. The next time I’m in Warsaw, I’ll definitely stop by again.
4 months ago
Matthew PGoogle
I walked into this place with the high expectations and I was very disappointed. Having 5 stars with over 400 reviews I was expecting a very good burger, however I think while their sauce and fries...
4 months ago
Menu
Quick filters
Cosmo Chicken
Grilled chicken breast, bun, grilled vegetables, lettuce, pickles, red onion, signature cosmic sauce, and BBQ sauce.
⚠ Gluten
Crispy Cosmokura
Chicken strips, bun, lettuce, tomato, pickles, red onion, signature cosmic sauce, and mayo.
⚠ Gluten · Eggs
Kosmokura Salad
Grilled chicken, mixed salad, tomato, red onion, aioli, roasted sunflower seeds, and chives.
⚠ Eggs · Sesame
Veggie Salad
Grilled halloumi, mixed salad, tomato, red onion, aioli, roasted sunflower seeds, and chives.
Vegetarian⚠ Dairy · Eggs · Sesame
Cosmo Classic
Beef 180 g, bun, lettuce, tomato, pickles, red onion, signature cosmic sauce, and spices.
⚠ Gluten
Cosmobacon and BBQ
Beef 180 g, bun, 2 x bacon, red onion jam, lettuce, tomato, pickles, signature cosmic sauce, and BBQ sauce.
⚠ Gluten · Eggs
Cosmocheese
Beef 180 g, bun, cheddar cheese, gouda cheese, lettuce, tomato, pickles, red onion, signature cosmic sauce, aioli, and spices.
⚠ Gluten · Dairy · Eggs
Cosmogiant
Double beef 180 g, bun, 2 x bacon, 2 x gouda cheese, cheddar cheese, lettuce, tomato, pickles, red onion, and signature cosmic sauce.
⚠ Gluten · Dairy · Eggs
Flaming Rocket
Beef 180 g, bun, bacon, cheddar cheese, red onion jam, jalapeño, lettuce, tomato, pickles, signature cosmic sauce, and mayo sriracha.
Medium spicy⚠ Gluten · Dairy · Eggs
Italian Flight
Beef 180 g, bun, burrata, rocket, tomato, red onion, olive oil, and basil pesto.
⚠ Gluten · Dairy
Mango Orbit
Beef 180 g, bun, bacon, cheddar cheese, onion rings, mixed salad, tomato, pickles, and mango-mayo sauce.
⚠ Gluten · Dairy
Mushroom Planet
Beef 180 g, bun, bacon, cheddar cheese, grilled mushrooms with onion, lettuce, pickles, signature cosmic sauce, mayo, and chives.
⚠ Gluten · Dairy · Eggs
Nachostar
Beef 180 g, bun, bacon, cheddar cheese, nachos, jalapeño, mixed salad, red onion, signature cosmic sauce, and cheese sauce.
Medium spicy⚠ Gluten · Dairy
Star Garden
Beef 180 g, bun, 2 x bacon, grilled zucchini, lettuce, tomato, red onion, sesame sauce, and mayo.
⚠ Gluten · Dairy · Sesame · Eggs
Astrowege
Vegetable patty, bun, lettuce, tomato, pickles, red onion, signature cosmic sauce, and aioli.
Vegetarian⚠ Gluten · Eggs
Haloumoon
Grilled halloumi, bun, rocket, tomato, red onion, basil pesto, and olive oil.
Vegetarian⚠ Gluten · Dairy
Mcplanet
Linda McCartney patty, bun, lettuce, tomato, pickles, red onion, and signature cosmic sauce.
Vegetarian⚠ Gluten
Baked Fries with Cheese
Belgian fries 200 g, cheese sauce, bacon, jalapeño, and chives.
⚠ Dairy
Burger Plate
Beef 180 g, 2 x bacon, cheddar cheese, grilled vegetables, mixed salad, tomato, pickles, red onion, and signature cosmic sauce.
⚠ Gluten · Dairy
Big Dipper
Set including Cosmo Classic, Cosmocheese, or Cosmokura burger, fries, sauce, and any drink.
⚠ Gluten · Dairy
Kids Set
Chicken strips, fries, ketchup, and apple juice.
⚠ Gluten
Little Dipper
Set including Cosmo Classic, Cosmocheese, or Cosmokura burger and fries.
Belgian Fries
Crispy fries cut in a thick Belgian style.
Vegetarian⚠ Gluten
Cheese Balls
5 pieces of spicy or mild cheese balls.
Medium spicyVegetarian⚠ Gluten · Dairy
Cheese Sticks
5 pieces of gooey breaded cheese sticks.
Vegetarian⚠ Gluten · Dairy
Nachos
Crunchy corn nachos served as a snack.
Vegetarian
Onion Rings
8 pieces of breaded and fried onion rings.
Vegetarian⚠ Gluten
Sweet Potato Fries
Sweet and crispy fries made from sweet potatoes.
Vegetarian⚠ Gluten
3 for 10 PLN
Any 3 sauces for 10 PLN.
Aioli
Aromatic mayonnaise-based sauce with garlic.
⚠ Eggs
BBQ
Classic smoky barbecue sauce for burgers and fries.
Cheese Sauce
Thick and velvety sauce made from melted cheese.
⚠ Dairy
Ketchup
Traditional tomato sauce with a mild flavor.
Mango and Mayo
Exotic combination of sweet mango and creamy mayonnaise.
⚠ Eggs
Mayo Sriracha
Creamy mayonnaise combined with spicy sriracha paste.
Spicy⚠ Eggs
Mayonnaise
Thick and creamy classic mayonnaise.
⚠ Eggs
Sesame Sauce
Sesame-based sauce with a deep nutty aroma.
⚠ Sesame
Signature Cosmic Sauce
Unique house-recipe sauce with a cosmic flavor.
Cappy
Fruit juice from the Cappy range with a capacity of 250 ml.
Dairy-freeNut-free
Coca Cola
Carbonated soft drink with a capacity of 250 ml.
Coca Cola Zero
Sugar-free carbonated soft drink with a capacity of 250 ml.
Dairy-freeNut-free
Fanta
Orange-flavored carbonated soft drink with a capacity of 250 ml.
Dairy-freeNut-free
Kinley
Tonic water carbonated drink with a capacity of 250 ml.
Dairy-freeNut-free
Lemonade
Refreshing homemade lemonade with a capacity of 300 ml.
Dairy-freeNut-free
Sprite
Lemon-lime flavored carbonated soft drink with a capacity of 250 ml.
Dairy-freeNut-free
Water
Mineral water with a capacity of 330 ml.
Dairy-freeNut-free
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