Heat oil in a pan and sauté garlic cloves until just golden. Add chopped broccoli rabe leaves and sauté. Add the potatoes and mix well. After a few minutes, turn the burner low and use a fork to mash the potatoes and leafy greens further until well blended. Flavor with salt and pepper to taste. Sprinkle with dried Calabrian chili flakes, drizzle with your favorite olive oil and serve.