Low Carb Jambalaya
1 (14 ounce) can crushed tomatoes 1 cup chicken broth 1 large onion, diced 1 pound chicken breast, cooked, cooled, and c… 1 pound cooked, peeled, and deveined shrimp 1 tablespoon butter 1 tablespoon olive oil 1 teaspoon hot sauce, or to taste 2 andouille sausage, halved lengthwise and cu… 2 tablespoons Cajun seasoning 2 zucchinis, diced 3 green bell peppers, seeded and diced 6 cloves garlic, finely chopped