Heat oil in large skillet on medium heat. Add onions; cook 2 to 3 min. or until crisp-tender, stirring frequently. Spoon into large bowl.
Add potatoes, ham, soup, sour cream, 1 cup cheese and mustard; mix lightly. Spoon into 13x9-inch baking dish sprayed with cooking spray; top with remaining cheese.
Bake 40 to 45 min. or until heated through.
Melt 2 Tbsp. butter; mix with 30 crushed round butter crackers until blended. Sprinkle over casserole before baking as directed.
Frozen hash browns come in 2 shapes - small cubes which are called Southern hash browns, and shredded which are called country-style hash browns. For best results, use the shredded hash browns as directed when preparing this recipe.
Calories From Fat
% Daily Value*
Total Fat 3.5g
Saturated Fat 2g
Trans Fat 0g
Total Carbohydrates 10g
Dietary Fibers 1g
* Percent Daily Values are based on a 2,000 calorie diet.
20 servings, 1/2 cup each
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.