Ham and Potatoes Au Gratin for 140 Folks
Perfect for feeding a massive crowd, this Ham and Potatoes Au Gratin recipe serves up to 140 people, making it an ideal choice for large gatherings, weddings, or catered events. Layers of tender russet potatoes, savory diced ham, and a creamy, cheesy sauce made from melted cheddar and Parmesan come together in this hearty and flavorful casserole. With fragrant sautéed onions, a touch of garlic powder, and a golden-brown crust baked to perfection, every bite is packed with rich, comforting goodness. Easy to prepare in bulk with 14 full-sized pans, this dish is not only delicious but also practical for event catering. Garnish with fresh parsley for a pop of color, and serve this warm, irresistible side to satisfy even the largest of appetites. Keywords: ham and potatoes au gratin, large crowd recipes, cheesy casserole, bulk cooking recipes, catering dishes.
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Recipe Information
Ingredients
- 70 pounds Russet potatoes
- 35 pounds Diced ham
- 7 cups Butter
- 7 cups All-purpose flour
- 18 quarts Whole milk
- 21 pounds Shredded cheddar cheese
- 7 cups Grated Parmesan cheese
- 7 tablespoons Salt
- 3.5 tablespoons Ground black pepper
- 3.5 tablespoons Garlic powder
- 7 pounds Onions, finely chopped
- 4 cups Parsley, chopped (optional garnish)
- 14 spray applications Nonstick cooking spray
Instructions
Preheat the oven to 350°F (175°C).
Using nonstick cooking spray, grease approximately 14 large (full-sized) aluminum catering pans.
Peel the russet potatoes and slice them into thin, uniform rounds (about 1/8 inch thick). Place them in cold water to prevent browning while you prepare the other ingredients.
In a large stockpot, melt the butter over medium heat. Add the chopped onions and sauté until soft and translucent, about 5-7 minutes.
Whisk in the flour and cook for 2-3 minutes to remove the raw flour taste, creating a roux.
Gradually pour in the milk, whisking constantly to create a smooth sauce. Bring to a light simmer and let thicken slightly, about 5-7 minutes.
Add the shredded cheddar cheese and grated Parmesan cheese to the sauce, stirring until fully melted and incorporated.
Season the cheese sauce with salt, black pepper, and garlic powder. Adjust seasoning to taste.
Drain the sliced potatoes and layer them in the prepared pans, alternating with layers of diced ham. Aim for 2-3 layers in each pan.
Pour the cheese sauce evenly over the layers of potatoes and ham, ensuring all pieces are well coated.
Cover each pan tightly with aluminum foil. Place in the preheated oven and bake for 90 minutes.
After 90 minutes, remove the foil and bake for an additional 20-30 minutes, or until the top is golden brown and the potatoes are fork-tender.
Remove from oven and let cool slightly for 10-15 minutes. Sprinkle with chopped parsley before serving, if desired.
Serve warm and enjoy this crowd-pleasing dish!
Nutrition Facts
Calories |
854 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 43.4 g | 56% | |
| Saturated Fat | 26.1 g | 130% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 167 mg | 56% | |
| Sodium | 2003 mg | 87% | |
| Total Carbohydrate | 66.0 g | 24% | |
| Dietary Fiber | 4.1 g | 14% | |
| Total Sugars | 9.3 g | ||
| Protein | 51.0 g | 102% | |
| Vitamin D | 1.7 mcg | 9% | |
| Calcium | 726 mg | 56% | |
| Iron | 2.9 mg | 16% | |
| Potassium | 1671 mg | 36% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
