Ingredients for - Grandma's Cheesy Potatoes

1. Cooking spray
2. Medium yellow-flesh potatoes, scrubbed and chopped into 1-inch cubes 1 pound
3. Red potatoes, scrubbed and chopped into 1-inch cubes 1 pound
4. Shredded mozzarella cheese 1 cup
5. Shredded Cheddar cheese ½ cup
6. Sour cream ½ cup
7. Mayonnaise ½ cup
8. Salted butter, cut into small pieces 4 tablespoons

How to cook deliciously - Grandma's Cheesy Potatoes

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Grease a deep 9x13-inch baking dish with cooking spray.

2 . Stage

Place yellow and red potatoes into a large pot and cover with salted water; bring to a boil. Cook until soft, about 10 minutes. Drain.

3 . Stage

Combine mozzarella cheese, Cheddar cheese, sour cream, and mayonnaise in a large bowl; mix well. Slowly add potatoes and toss; use a wooden spoon or flat spatula to avoid mashing the potatoes.

4 . Stage

Pour potatoes into the prepared pan. Dot butter over the top and cover with foil.

5 . Stage

Bake in the preheated oven, 25 to 30 minutes. Remove from oven and uncover. Preheat the oven's broiler. Return to the oven and broil until top is browned, about 5 minutes.