Preheat broiler.

Cut bell pepper in half lengthwise; discard seeds and membranes. Place pepper halves, skin sides up, on a foil-lined baking sheet; flatten with hand. Broil 10 minutes or until blackened. Place in a zip-top plastic bag; seal. Let stand 5 minutes. Peel and coarsely chop. Set aside.

Preheat oven to 275°.

Combine tomatoes and garlic in a 13 x 9-inch baking dish coated with cooking spray. Bake at 275° for 2 1/2 hours or until most of liquid has evaporated.

Combine bell peppers, tomato mixture, breadcrumbs, and remaining ingredients in a food processor; process until smooth.