01 -
In a skillet over medium heat, cook the ground beef with chopped onion and minced garlic until the beef is browned and the onion is softened. Drain excess fat.
02 -
Transfer the browned beef mixture to the slow cooker. Add condensed cream of mushroom soup, milk, kidney beans, diced tomatoes with green chilies, frozen corn, chili powder, salt, and black pepper. Stir to combine evenly.
03 -
Layer the sliced potatoes on top of the mixture, ensuring they are fully coated by the beef and bean mixture.
04 -
Cover and cook on low heat for 6 to 7 hours or on high heat for 3 to 4 hours, depending on your schedule.
05 -
During the last 20 minutes of cooking, sprinkle shredded cheese evenly over the casserole and allow it to melt before serving.