succotash recipe

2 tablespoons butter or olive oil 1 medium onion, chopped 1 red bell pepper, chopped 2 cloves garlic, minced 2 cups fresh or frozen corn kernels 2 cups fresh or frozen lima beans 1 cup cherry tomatoes, halved 1/4 cup heavy cream (optional for a creamier dish) Salt and pepper to taste 2 tablespoons fresh parsley, chopped