Categories: Sides

Ingredients

• 5 lbs. russet potatoes
• 1 medium onion, finely chopped
• 1 1/3 lbs. ham, cut into 1/2-inch cubes
• 8 slices bacon, cut into squares
• 1 stick unsalted butter
• 2 tbsp garlic salt
• 1/2 tsp black pepper
• 1 1/2 cups all-purpose flour
• 5 1/2 cups whole milk

Directions

1. Preheat the oven to 375.

2. Peel the potatoes, halve them lengthwise, and slice them crosswise into thin half-moons. Rinse well with cold water and drain in a colander. Transfer the potatoes to a large bowl and toss them with the onion and the ham.

3. In a large Dutch oven, cook half the bacon over medium-low heat until the fat is rendered and the bacon is crispy, 9 to 10 minutes. Add the butter and cook, stirring, until melted, making sure the butter doesn’t burn. Add the garlic salt and pepper, then whisk in the flour and cook, stirring to work out the lumps, until smooth. Whisk in the milk until smooth. Increase the heat to high and bring to a boil. Cook, whisking, until thickened, about 5 minutes. Transfer the sauce to a bowl.

4. Arrange half the potato mixture in the bottom of the Dutch oven, then cover it with half the sauce. Repeat with the remaining potatoes and sauce. Arrange the uncooked bacon squares on to of the sauce and bake, uncovered, until the bacon appears crispy and rendered, 30 to 35 minutes. Reduce the oven temp to 350, cover with the lid, and cook until bubbling, 1 hour 30 minutes longer.

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