Briefly wash the thawed shrimp with cold water, drain well and place in a bowl
Peel the onion, cut it into julienne strips and add it to the shrimp in the bowl
Finely chop the garlic cloves and add them to the bowl along with mustard, lemon juice, salt, pepper, the Scotch Bonnet peppers and a few drops of oil
Mix everything well and set aside to marinate for about half an hour
Then, heat cooking oil in a pan and add the mixture
Mix well and sauté for about 5 minutes, stirring regularly
Add water and Magic Sauce and simmer for another 5 minutes
Finally, add the chopped spring onions, mix well and it's done