Sardine tajine in the oven

Ingredients :

 1 kg sardines
 1 bunch of minced parsley
 3 potatoes
 2 peppers (red, green )
 3 tomatoes, 1 hot pepper
 lemon juice, 4 cloves of garlic crushed
 1 càc of paprika, 1 tablespoon of cumin
 1/2 teaspoon of cayenne pepper
 The pulp of a confit lemon
 1/2 càc of food dye
 1 glass of olive oil tea
 Preserved green olives for decoration