Ingredients
1 onion, halved and sliced
1 yellow bell pepper, ribs and seeds removed, cut into 1/2-inch-wide strips
1 zucchini, halved crosswise then lengthwise and cut into 1/2-inch-wide strips
1 tablespoon olive oil
1/4 tablespoon dried oregano
2 tablespoons balsamic vinegar
Coarse salt
10 mini meatballs
2 hero rolls, split
Preparation
Preheat oven to 400 degrees. On a rimmed baking sheet, toss onion, bell pepper, and zucchini with oil and oregano. Bake 15 minutes.
Sprinkle vegetables with vinegar, and season with salt; toss to coat. Push vegetables to one side of pan; place meatballs on other end.
Bake until meatballs are cooked through and vegetables are tender, about 15 minutes. Serve in rolls.
