Step 1

Heat oven to 400 degrees.

Step 2

Heat spaghetti sauce to a large pan along with oregano and a couple large pinches of salt and pepper, over medium heat.

Step 3

Add frozen meatballs and cover. Bring to a simmer over medium heat and stir.

Step 4

Reduce heat to medium low and gently simmer, covered, for about 25 minutes or until the meatballs are heated through.

Step 5

Once the meatballs have about 10 minutes left, combine butter, garlic, parsley, and a couple pinches of salt until well combined.

Step 6

Slice hoagie rolls lengthwise down the top of the roll, cutting a "V" shape out of the top of each hoagie roll.

Step 7

Spread the cut side of the with garlic butter. and divide hoagies between a couple baking dishes.

Step 8

Bake for 5 minutes to get them nice and toasty.

Step 9

Then add slices of provolone and broil for 1-2 minutes or until the cheese melts.

Step 10

Once the meatballs are warmed through, divide them evenly between the garlic cheese hoagie rolls.

Step 11

Garnish with grated Parmesan and fresh chopped parsley and enjoy!