hearty steak and veggie slow cooker soup

Ingredients

• 6 cups broth
• 1 tablespoon olive oil
• 1 1/2 pounds sirloin cut into bite sized pieces
• 6 ounces fresh green beans
• 2 - chopped bell peppers
• 4 medium tomatoes chopped
• 5 tablespoons tomato paste
• 4 tablespoons balsamic vinegar
• 8 cloves garlic minced
• 1 - packet stevia
• 4 teaspoons coarse ground black pepper
• 2 cups cooked rotini
• 2 cups roughly chopped cabbage
• 1/2 cup chopped parsley
• 4 tablespoons oregano, dried
• 4 teaspoons thyme, dried
• - salt to taste