COPYCAT IN N OUT ANIMAL STYLE FRIES 🧀🍟 16 oz Frozen French Fries Small Yellow Onion 1 Tsp Butter 1/2 Tsp Brown Sugar Pinch Salt 1 Tbsp Water 2 Tbsp Mayonaise 1 Tbsp Ketchup 1/2 Tbsp Relish Pinch Sugar Splash White Vinegar American Cheese Whilst fries are baking according to package melt butter and add onions and sugar. Caramelise adding water if needed. Combine mayonnaise, relish, sugar, ketchup and vinegar in a bowl. Place fries on a plate and cover with american cheese slices, adding briefly