Cooking With Rania: Meatball Subs

PITTSBURGH (KDKA) — Rania Harris, of Rania’s Catering, is devoting all of February to sandwiches! First up, she’s making a hearty meatball sandwich that’s the perfect treat to enjoy during Sunday’s big game!
Meatball Subs
Ingredients:1 medium onion, chopped fine
Olive oil for sautéing the onion
1 ½ pounds ground sirloin
1 large egg, beaten
1 cup Italian bread crumbs
4 cloves garlic, crushed and minced
½ teaspoon crushed red pepper flakes
2 dashe