Creating the Slow Cooker 4-Ingredient Slumgullion is straightforward if you follow these simple steps:

1. Brown the Beef: In a skillet over medium heat, brown the ground beef until fully cooked. Drain any excess fat.
2. Prepare Slow Cooker: Spray the inside of your slow cooker with non-stick cooking spray for easy cleanup.
3. Combine Ingredients: Add the browned ground beef, diced tomatoes (with juices), corn, and kidney beans into the slow cooker.
4. Stir Well: Mix all the ingredients together until well combined.
5. Cook: Cover the slow cooker and set it to low for 8 hours or high for 4 hours.
6. Serve: Once cooked, give it a good stir before serving to mix the flavors.

These steps will guide you in creating this incredible dish effortlessly.