Veggie Stuffed Steak Roll Recipe by Tasty

Ingredients

• 1 tablespoon oil, plus more for searing
• ½ red bell pepper, thinly sliced
• ½ yellow bell pepper, thinly sliced
• ½ white onion, thinly sliced
• ½ teaspoon salt, plus more seasoning
• ½ teaspoon black pepper, plus more for seasoning
• 3 cloves garlic, minced
• 2 lb flank steak, flattened as much as possible
• 1 ½ cups spinach
• ⅓ cup shredded mozzarella cheese
• long toothpick, or short skewers