Creole Jambalaya

Name: Creole Jambalaya
Prep time: 20 min
Total time: 20 min
Cuisine: Cajun And Creole
Ingredients: 1 tbsp. extra-virgin olive oil; 1 onion, chopped; 2 bell peppers, chopped; Kosher salt; Freshly ground black pepper; 1 lb. boneless skinless chicken breasts, cut into 1" pieces; 1 tsp. dried oregano; 6 oz. andouille sausage, sliced; 2 cloves garlic, minced; 2 tbsp. tomato paste; 2 c. low-sodium chicken stock; 1 (15-oz.) can crushed tomatoes; 1 c. long grain rice; 2 tsp. Old Bay seasoning; 1 lb. medium shrimp, peeled and deveined; 2 green onions, thinly sliced