- 1 (16 ounce) package elbow macaroni
 - 1/2 cup butter
 - salt and ground black pepper to taste
 - 1 (16 ounce) package shredded Cheddar cheese, divided
 - 1 (5 ounce) can evaporated milk
 - 2 eggs, well beaten
 - 2 cups whole milk
 - 1 (10.75 ounce) can condensed Cheddar cheese soup (such as Campbell's®)
 - 1 pinch paprika, or as desired (optional)
 
- Bring a large pot of lightly salted water to a boil. Cook elbow macaroni in the boiling water, stirring occasionally until cooked through but firm to the bite, 8 minutes. Drain and transfer pasta to slow cooker.
 - Add butter to pasta and stir until melted; season with salt and pepper. Sprinkle about 1/2 the Cheddar cheese over pasta and stir.
 - Whisk evaporated milk and eggs together in a bowl until smooth; stir into pasta mixture.
 - Whisk milk and Cheddar cheese soup together in a bowl until smooth; stir into pasta mixture. Sprinkle remaining cheese over pasta mixture; garnish with paprika.
 - Cook on Low for 3 hours.