Beef Calzones

Ingredients

• 1 teaspoon olive oil
• 1/2 pound ground sirloin
• 1/2 cup chopped onion
• 1 teaspoon onion powder
• 1 teaspoon garlic powder
• 1 teaspoon dried Italian seasoning
• 2 minced garlic cloves
• 1 (16-ounce) package frozen fresh gluten-free pizza crust dough (such as Gillian's), thawed
• 1/4 cup gluten-free all-purpose flour (such as Bob's Red Mill)
• 1 cup (4 ounces) shredded part-skim mozzarella cheese
• Cooking Spray
• 1 cup bottled gluten-free pizza sauce, warmed (optional)