Hearty Meatball Subs

Yield: 6 Servings
Categories: Healthy, Main Dishes, Ground Beef, Luncheon
6Submarine (2 1/2 oz.) rolls, unsplit
1lbGround round
16ozNo-salt-added tomato sauce, divided
1/4cSeasoned bread crumbs
1/4cMinced onion
1/4tsSalt
1Clove garlic, minced
Vegetable cooking spray
2tsOlive oil
1 1/2cGreen bell pepper, 1 1/2" julienne cut
1cSlivered onion
2tbTomato paste
1/2tsDried whole basil
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