Cheesy Potato Frittata Ingredients 1/4 – 1/2 lb sausage 1 tbs butter 1 tbs olive oil 1 cup diced red potatoes 1/2 cup sliced mushrooms 1/2 cup diced yellow onion 2 sprigs of thyme, or 1 teas dried thyme 6 eggs 2 tbs milk 1/2 teas salt 1/4 teas pepper 4 ounces cubed colby