Defrost the prawns and remove them from their shells. Make a longitudinal incision in the back and remove the dark gut. Rinse shrimps and pat dry
Peel and finely chop the onion. Heat 1 tsp. oil. Sauté the onion in it until transparent. Add tomatoes and peas. Season with salt, pepper and sugar. Simmer everything about 5 minutes at medium heat. Season to taste with salt and pepper
Peel the garlic and cut into slices. Fry in 1 teaspoon of hot oil. Add prawns and fry for 3-4 minutes while turning. Season with salt and pepper. Serve with the tomato sauce. Garnish with lemon slices and parsley if desired. Serve with ciabatta bread and a green salad
Fry the shrimps and serve them as soon as possible, because they become slightly tough if kept warm for a long time