Tuna, mashed potatoes and low fat mayo bake. Maybe with lower fat cheese grated on top.
Low fat isn't really healthy. Low fat things always have other crap (especially sugar) added in to attempt to make them palatable. Eating the right kinds of fat is essential - avocados, grass fed butter and lard, olive oil, duck fat, coconut oil - Yum!! Get rid of the seed oils like corn, soy, canola - those are highly processed and usually rancid by the time you buy them. Which of these would you rather eat?
Avocado Oil, Cage‑Free Egg Yolks, Filtered Water, Organic Cage‑Free Whole Eggs, Organic Distilled White Vinegar, Organic Honey, Organic Mustard (Organic Mustard Seed, Distilled Organic Vinegar, Organic Spices), Salt, Organic Rosemary Extract.
Water, modified corn starch*, soybean oil, vinegar, high fructose corn syrup*, egg whites, salt, sugar, xanthan gum*, lemon and lime peel fibers*, colors added*, lactic acid*, (sodium benzoate* calcium disodium EDTA) used to protect quality, phosphoric acid*, natural flavors.
This is a healthy mayo if (like me!) you don't want to make your own