Brown and drain your ground beef and add to the slow cooker.
2 pounds lean ground beef
Add the oatmeal to the meat and stir.
⅓ cup quick cooking oatmeal
In a small mixing bowl, combine the ranch dressing mix, brown gravy mix, ketchup, worcheshire sauce, brown sugar, pepperoncini juice and water, and stir to combine.
1 ounce dry ranch dressing mix, .87 ounce dry brown gravy mix, ⅓ cup ketchup, ¾ cup water, 1 Tablespoon worcheshire sauce, 1 Tablespoon brown sugar, ½ cup pepperoncini juice
Pour the sauce over the ground beef and add in the pepperoncinis and stir.
1 cup sliced pepperocinis
Slice the butter and add to the top of the meat mixture.
6 Tablespoons butter
Cover and cook on low for 4 hours.
Serve on soft brioche or hamburger buns
6 buns