Step 1

Set Instant pot to sauté. Add the bacon and cook until crisp, about 5 minutes. Transfer the bacon to a paper towel lined plate. If there is an excess amount of bacon grease, remove all but 1 tablespoon of grease.To the instant pot, add the brussels sprouts and season with salt and pepper. Cook 1 minute, then turn the instant pot off. Add the pasta, butter, and 3 1/2 cups water. Cover, select the manual setting, and cook on high pressure for 3 minutes.3. Once done cooking, use the quick release function and release the steam. Stir in the milk, cheddar, garlic powder, and cayenne, stirring until the cheese is fully melted, about 1-2 minutes. Taste, adding salt if needed. Serve immediately, topped with crispy bacon.

Step 2

Cook the bacon in a large pot over medium high heat until crisp, about 5 minutes. Transfer the bacon to a paper towel lined plate. If there is an excess amount of bacon grease, remove all but 1 tablespoon of grease.To the pot, add the brussels sprouts and season with salt and pepper. Cook 1 minute. Add the pasta, butter, and 3 1/2 cups water. Bring to a boil over high heat. Boil for 7-8 minutes, stirring often until the pasta is just al dente. If the pasta needs more time, add a splash of water and continue cooking 1-2 additional minutes.Remove from the heat and stir in the milk, cheddar, garlic powder, and cayenne, stirring until the cheese is fully melted, about 1-2 minutes. Taste, adding salt if needed. Serve immediately, topped with crispy bacon.