1/2 cup oil 1 large onion, sliced 1 tbs ginger paste 1 tbs garlic paste 1 lb ground beef 3 tomatoes, chopped 1 tbs cumin powder 2 tsp coriander powder 1/2 tsp turmeric 1 tsp garam masala 1 tsp red chili powder 2 tsp salt 4 cups water 1 cup shredded cabbage 1/2 cup bell pepper 1/2 cup carrots (matchsticks) 1/2 cup peas 4 tbs soy sauce 1 cup pasta sauce or pizza sauce 3-4 tbs siracha sauce 16 oz spaghetti noodles (thin or regular), boiled Chopped cilantro or parsley Lemon juice or half a lemon