Step 1

Pour water/broth into Instant Pot. Add uncooked ground beef into pot. Break it up as much as possible with a hamburger chopper tool* or a wooden spoon. Dump the onion, salt, Italian seasoning, garlic powder, bell pepper, pepperoni, crushed tomatoes and tomato paste on top. Do not stir.

Step 2

Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 10 minutes. When the time is up move the valve to venting and remove the lid.

Step 3

Use a spoon to stir the contents of the pot and to break up meat. If mixture is too runny then turn to saute and let it simmer a few minutes. Salt and pepper to taste. Add in fresh basil.

Step 4

Scoop mixture onto buns and top with a slice of mozzarella cheese.

Step 5

Add uncooked ground beef into slow cooker. Break it up as much as possible with a hamburger chopper tool* or a wooden spoon. Dump the onion, salt, Italian seasoning, garlic powder, bell pepper, pepperoni, crushed tomatoes and tomato paste on top and stir.

Step 6

Cover and cook on low for 4-6 hours.

Step 7

Use a spoon to stir the contents of the pot and to break up meat. Salt and pepper to taste. Add in fresh basil.

Step 8

Scoop mixture onto buns and top with a slice of mozzarella cheese.