Cajun Stuffed Peppers

Name: Cajun Stuffed Peppers
Ingredients: 1 cup long-grain brown rice; 1/3 cup quinoa; 2 large green bell peppers, halved lengthwise and seeded; 1 tablespoon extra-virgin olive oil; 1 medium onion, chopped; 1/4 pound andouille sausage, finely chopped; 3 cloves garlic, chopped; 1/2 teaspoon dried thyme; Large pinch of allspice (optional); Kosher salt; 1 14-ounce can low-sodium diced tomatoes; 1 small bunch kale, stems removed, leaves chopped; Chopped fresh parsley, for topping (optional)