Not all of these are healthy substitutes in my opinion, but some are, so use your own judgement. 20 Unique Healthy Food Alternatives --I'm interested to read about some of these things, and I know some of the substitutions only work in some circumstances.
Food Swaps That Fight Belly Fat - Switch out half of the butter in a cookie recipe for mashed avocado. Reduce fat content by & cut the # of calories by nearly as much. You'll still get the creaminess of butter without some of the saturated fat.
Art Cake Cooling Tip: When cooling cake layers, place bread slices on top to keep the cake layers soft and moist while the bread becomes hard as a rock -- What a fun fact! My mom told me it keeps it from cracking in the middle too! baking-baking-tips