Gumbo with ribs

1 medium onion , chopped 2 green bell peppers , chopped 3 celery ribs , sliced 2 tablespoons olive oil 1 teaspoon garlic , minced 2 (16 ounce) cans whole[...]

1 red bell pepper 1 green bell pepper 1/2 large white onion 3 celery ribs 3 garlic cloves 1 (14 ounce) can petite diced tomatoes 1 (14 ounce) can tomato sauce[...]