Hidden Veggie Sloppy Joes - cooking recipe

Ingredients

1 teaspoon olive oil
2 cups mushrooms
1 cup onion
1/2 cup green bell pepper
1/4 cup celery
1/4 cup carrot
2 garlic cloves, minced
12 ounces lean ground turkey
1/4 cup ketchup
1 tablespoon red wine vinegar
1 tablespoon Worcestershire sauce
1 teaspoon dried oregano
1/4 teaspoon salt
1/4 teaspoon ground pepper
1 (8 ounce) can no-salt-added tomato sauce

Preparation

Heat oil in a large skillet over medium-high heat.
Add mushrooms and next 7 ingredients (mushrooms through ground round); saute 5 minutes until meat is browned, stirring to crumble.
Stir in ketchup and next 6 ingredients (ketchup through tomato sauce); bring to a boil. Cover, reduce heat, and simmer 20 minutes, stirring occasionally. Serve on toasted hamburger buns.