Shrimp / Prawn Pasta with Lemon

Cook 400 g spaghetti in 200 g salted water until al dente, reserving 1 cup of pasta water.

Heat 28 g olive oil in a pan and sauté 100 g chopped onion and 10 g minced garlic until softened.

Add 454 g shrimp, 180 g chopped tomato, 5 g salt, and 2 g black pepper to the pan.