Cioppino with oregano

1/4 cup chopped green bell pepper 2 tablespoons finely chopped onions 1 garlic clove , minced 1 tablespoon olive oil 2 (16 ounce) cans whole tomatoes ,[...]

3 tablespoons olive oil 1 3/4 cups onions , chopped (about 1 onion) 1 cup green bell pepper , chopped (about 1 pepper) 1/2 teaspoon crushed red pepper flakes[...]