Vidalia® Onion Dip - cooking recipe

Ingredients

1 tablespoon butter, or as needed
1 1/4 cups chopped sweet onion (such as Vidalia(R))
2/3 cup mayonnaise
2 cups shredded Swiss cheese

Preparation

Preheat oven to 350 degrees F (175 degrees C).
Melt butter in a skillet over medium heat. Cook and stir sweet onion in hot butter until browned, 5 to 7 minutes; transfer to a bowl. Add mayonnaise to the onion and stir; pour into a 9x13-inch baking dish. Sprinkle Swiss cheese over the mixture.
Bake in preheated oven until the top is bubbling and lightly golden, about 35 minutes.