Healthy 4 Ingredient No Bake Peanut Butter Bars! Peanut Butter bars are the best! Those yummy school lunch peanut butter bars were the stuff of dreams. These healthy 4-ingredient no bake peanut butter bars are a variation that requires just 4 real ingredients, no flour--so it can easily be made gluten free, and needs no baking. Let's make a healthy treat to keep those health goals on track! I love peanut butter. It's something I crave pretty regularly. I love these peanut butter bars because they are made of healthy ingredients. They are still very caloric, but they are delightful and perfect for a healthy dessert on a warm evening. They are very filling and satisfying. Just one piece is like a homemade protein bar, great for keeping your sweet tooth satisfied and your tummy fuller longer. You can substitute the peanut butter with any other nut butter. You can substitute the oats with gluten-free oats. I spent all of 2021 working on a healthy lifestyle and losing (and keepin...