Grinder

Ingredients

• 1/2 pound cremini mushrooms, trimmed
• 1 teaspoon canola oil
• 1/2 pound ground sirloin
• 1/2 pound 50%-less-fat breakfast sausage
• 1 cup chopped red onion
• 1/4 teaspoon crushed red pepper flakes (optional)
• 2 cloves garlic, minced
• 1 1/2 cups lower-sodium pasta sauce
• 2 top-split white-wheat hot dog buns
• 4 ounces reduced-fat mozzarella cheese, shredded (about 1 cup)