Slow Cooker Lentil Sloppy Joes

Ingredients

• pepper
• 1 1/2 tsp. kosher salt
• 1 1/2 tsp. chili powder (optional)
• 1 1/2 tsp. smoked paprika
• 1 1/2 tbsp. Italian seasoning
• 1 tbsp. balsamic vinegar
• 2 cups vegetable broth
• 2 1/2 cups crushed tomatoes
• 2 cups mushrooms, chopped
• 2 green bell peppers, chopped
• 1 red bell pepper, chopped
• 4 cloves garlic, minced
• 1 onion, chopped
• 1 1/2 cups lentils