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Bake until the dish bubbles around the edges, about 15 minutes. Transfer the macaroni and cheese to the prepared baking dish and top with the buttered breadcrumbs. Add the drained macaroni to the cheese sauce and mix thoroughly.įor the topping: In a small bowl, stir the breadcrumbs with the butter until the crumbs are moistened. Continue to cook, stirring constantly, until the sauce thickens. Slowly whisk in 1 cup of the milk and then whisk in the remaining 1 cup milk. Using a wire whisk, stir in the flour and salt, stirring and cooking over medium heat until the roux bubbles and the flour turns pale brown, about 3 minutes. Drain well.įor the cheese sauce: Meanwhile, melt the butter in a 1-quart saucepan. Bring the water back to a boil and cook the macaroni until tender, about 12 minutes. Butter a 2-quart casserole dish.īring 4 quarts of water to a boil in a large saucepan. After you reach a simmer, turn off the Instant Pot, and add in of the cheese.
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Keep stirring and bring the milk to a simmer. Once the pasta is just short of being al dente, add in the evaporated milk and ground mustard powder. For the macaroni: Preheat the oven to 350 degrees F. Stir the pasta frequently as it comes to a boil.
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