Cheesy Sausage and Cabbage Casserole

Name: Cheesy Sausage and Cabbage Casserole
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: 2 tbsp olive oil; 2 tbsp grass-fed butter; medium head green cabbage, quartered, cored and sliced; 1 yellow bell pepper, chopped; 1 cup onion, diced; 4 cloves garlic, minced; sea salt and black pepper, to taste; 14.5 oz can diced tomatoes; 1 1/2 cup crushed tomatoes; 14 oz smoked sausage, halved and sliced into half moons; 1 1/2 cups mozzarella cheese, shredded; 1/4 cup Italian flat leaf parsley, rough chopped