Cajun Surf and Turf

Name: Cajun Surf and Turf
Cook time: 40 min
Total time: 40 min
Cuisine: American, Southern, Cajun And Creole
Ingredients: 2 tablespoons garlic powder; 2 tablespoons paprika; 2 tablespoons black pepper; 2 tablespoons kosher salt; 1 teaspoon cayenne pepper; 6 tablespoons butter, at room temperature; 1 beef tenderloin, trimmed (about 4-inch diameter); 2 pounds jumbo shrimp (size 12), deveined and shells removed; 4 whole small red onions, halved and sliced; 4 whole green bell peppers, seeded, halved and sliced; 4 whole red bell peppers, seeded, halved and sliced; 12 cloves garlic, minced; 1 cup white wine; 1 cup low-sodium chicken broth, plus more if needed; 1/2 cup heavy cream