Pork with penne

3 -4 tablespoons butter 3 tablespoons oil 2 cups sliced mushrooms 2 medium onions , chopped 1 tablespoon fresh garlic , chopped 2 small red bell peppers ,[...]

1 (16 ounce) package penne pasta 1 cup chopped sweet red pepper 3/4 cup chopped onion 1 tablespoon butter 1 tablespoon olive oil 3 teaspoons minced garlic 1[...]