13 of the Best Fat-Burning Foods You Can Eat to Tone Up and Feel Great

"Greek yogurt is a fantastic source of satiating protein with over twice the protein of regular yogurt," Kristin said. "The probiotics in Greek yogurt help maintain a healthy balance of good bacteria in your gut, which means your body can break down foods efficiently, take in nutrients, and boost your immune system." Make it full-fat and "think outside the bowl," as Kristin told us. Swap out sour cream for yogurt or use it as a base for smoothies or dip.