broccoli rabe recipe

Ingredients: 1 bunch broccoli rabe (also known as rapini), ends trimmed and cut into 2-inch pieces 2 tablespoons olive oil 4 cloves garlic, thinly sliced 1/4 teaspoon red pepper flakes (optional) Salt and black pepper to taste Juice of 1 lemon Grated Parmesan cheese (optional, for serving)