Slow Cooker Hearty Italian Sandwiches

I cut this recipe out of a magazine -- I cannot remember which one. I tweaked a bit to our tastes.

• Ready In: 6 hrs 20 mins
• Serves: 6-8

Ingredients

• 1 1⁄2 lbs  ground round
• 1 1⁄2 lbs Italian sausage
• 1⁄2 teaspoon crushed red pepper flakes, divided
• 3  teaspoons  minced garlic
• 2  large green peppers, sliced
• 2  large  red peppers, sliced
• 2  large onions, sliced
• 1⁄2 teaspoon seasoning salt
• 1  teaspoon ground pepper
•  shredded monterey jack cheese

Directions

1. Brown meat.
2. After meat is browned, add 1/4 teaspoon red pepper and garlic and simmer until flavors blend, about 4 to 5 minutes.
3. In slow cooker, place 1/3 of onions and peppers.
4. Top with 1/2 of meat.
5. Repeat layers of vegetables and meat, topping with remaining vegetables.
6. Sprinkle with salt, pepper and remaining 1/4 teaspoon crushed pepper.
7. Cover and cook on low for 6 to 8 hours.
8. Using slotted spoon, serve 1 cup of mixture on bun. Top with shredded cheese.