Preheat oven to 350F.Pound salmon fillets and rub with olive oil and dill.In bowl, combine chopped spinach, onions, and garlic. Season with salt.Spread spinach mixture on salmon fillet. Slice brie and add on top. Carefully roll salmon and tie with string.Bake for about 15-18 minutes.Chop olives in food processor. Add chopped tomatoes and blend. Spread on top of salmon.
