3 pounds tomatoes, chopped
1 medium white onion
6 garlic cloves
2 teaspoons canned Chipotle chiles
1/2 teaspoon ground cloves
2 tablespoons olive oil
1 pound ground beef
1 pound ground pork
1/2 cup bread crumbs
1 egg
1 1/2 teaspoon oregano
3 tablespoons drained capers
Salt and pepper (to taste)