Ingredients

8 oz. small red potatoes

3 tbsp. extra-virgin olive oil

Coarse salt and freshly ground pepper

12 large eggs

2 tsp. Dijon mustard

2 dash Hot sauce

2 tbsp. unsalted butter

2 leeks

8 oz. baked ham

Preparation

Step 1Preheat oven to 400 degrees F. Arrange potatoes on a rimmed baking sheet. Drizzle with 1 tablespoon oil; season with salt and pepper. Roast until tender and golden brown, about 30 minutes. Set aside.Step 2Preheat broiler. Whisk eggs, mustard, 1/2 teaspoon salt, 1/4 teaspoon pepper, and the hot sauce in a large bowl; set aside.Step 3Heat butter and remaining 2 tablespoons oil in a large cast-iron skillet over medium heat until butter has melted. Add leeks; cook, stirring, until soft, about 5 minutes. Add ham; cook, stirring, until heated through, about 2 minutes.Step 4Add egg mixture, and gently stir with a heatproof rubber spatula. Cook, using spatula to pull eggs away from sides, allowing uncooked egg to run underneath, until almost set, about 8 minutes.Step 5Arrange potatoes over top of frittata. Broil frittata until set and lightly golden, 30 seconds to 1 minute. Serve, cut in wedges, warm or at room temperature.