Melt butter in a pan
Add chopped onions and minced garlic, sauté for 4-5 minutes
Add tomato paste and cook until fragrant, about 1-2 minutes
Add cream and seasonings (paprika, red chilli flakes, and black pepper)
Mix to combine
Add reserved pasta water and cheese, mix to combine
Toss with cooked pasta
Garnish with parsley flakes and serve
