Ingredients
3 tablespoons olive oil
2 cups onion, chopped and divided
1 red pepper, coarsely chopped
2 pounds hamburger (at least 90% lean)
5 cloves garlic, finely chopped
1 12 oz. can tomato paste
1 teaspoon kosher salt
1 teaspoon black pepper
3 teaspoons dried oregano
3 teaspoons dried basil
1 1/2 teaspoons dried thyme
2 14-oz. can Italian-style diced tomatoes
2 28-oz. can crushed tomatoes
1 carton fresh mushrooms (optional)
1 1/2 cups beef stock or beef broth
2 tablespoons brown sugar
2 bay leaves
2 tablespoons balsamic vinegar
Preparation
