How to Make It
Preheat oven to 425°F.
Cut bell peppers into thin strips; cut strips in half to form roughly 2-inch-long pieces. Combine bell peppers, onion, and kielbasa on a 13 x 18–inch half sheet pan. Drizzle with 2 tablespoons oil, and sprinkle with 1 teaspoon Creole seasoning. Bake at 425°F for 8 minutes.
Toss shrimp with remaining 1 tablespoon oil, ½ teaspoon Creole seasoning, and paprika. Remove sheet pan from oven. Stir shrimp mixture and tomatoes into bell pepper mixture. Bake at 425° for 8 minutes. Remove pan from oven. Add rice, salt, black pepper, and remaining 1 teaspoon Creole seasoning; toss well to combine. Bake at 425°F for 2 minutes or until rice is heated. Sprinkle with green onions.