Quick Meatball Subs | America's Test Kitchen

Ingredients

• 1 tablespoon extra-virgin olive oil
• 1 1/4 pounds 85 percent lean ground beef
• 3/4 cup plain dried bread crumbs with Italian seasonings
• 2 large eggs , lightly beaten
• 1 teaspoon garlic powder
• 1 teaspoon table salt
• 1/2 teaspoon pepper
• 4 (6-inch) Italian sub rolls , split lengthwise
• 1 1/3 cups jarred marinara sauce
• 4 thin slices deli provolone cheese (4 ounces)