Chop whole onion and fry with 3 tablespoons of olive oil in large pan until transluscent.
Add chopped garlic, dried cumin, coriander ,chili powder,jalapeno and dash of salt& pepper.Mix thoroughly.
On a broiling pan add all the fresh tomatoes, and the red bell pepper.Broil until the skin is brown about 10 minutes,then remove from oven, peel off the skin and de seed the pepper.
Puree the broiled tomatoes, and pepper in a food processor, then add to the pan of cooked onions and spices, melt in the squares of dark unsweeetened chocolate.
Create individual foil packages for each dinner guest, spoon the mole sauce on the bottom of the foil, lay the Tilapia fillet on top, spoon more mole onto fish, then top with ground almonds, tighly wrap each fish package,making sure that the steam can't escape and bake in oven at 425 for about 15 minutes or until the fish is cooked.