Ancho-Rubbed Prime Rib with Grilled Papaya Butter Prime rib is good on its own but we decided to spice it up for this simple dinner recipe. Give it a try! By BHG Test Kitchen BHG Test Kitchen The Better Homes & Gardens Test Kitchen has been in continuous operation for nearly 100 years, developing and testing practical, reliable recipes that readers can enjoy at home. The Test Kitchen team includes culinary specialists, food stylists, registered and licensed nutritionists, and other experts with Bachelor of Science degrees in food science, food and nutrition, or culinary arts. Together, the team tests more than 2,500 recipes, produces more than 2,500 food images, and creates more than 1,000 food videos each year in the state-of-the-art test kitchen. Learn about BHG's Editorial Process Updated on January 22, 2021 Print Rate It Share Share Tweet Pin Email Photo: Blaine Moats Prep Time: 20 mins Grill Time: 2 hrs Stand Time: 15 mins Total Time: 20 mins Servings: 12 Yield: 12 to 1 servings with tablespoon grilled papaya buttter Jump to Nutrition Facts Ingredients 1 4 pound beef rib roast ½ teaspoon coarse salt ½ teaspoon freshly ground black pepper 1 tablespoon olive oil 2 tablespoon finely ground ancho chili peppers or dark chili powder 1 tablespoon unsweetened cocoa powder 12 tablespoon Grilled Papaya Butter Grilled Papaya Butter ½ small papaya 1 pound salted butter Directions Rub beef with the coarse salt and black pepper. Brush with oil. Combine ground ancho peppers or chili powder and cocoa powder in a small bowl. Rub mixture into beef, evenly coating the entire surface. Prepare grill for indirect grilling. Test for medium heat above drip pan. Place roast on the grill rack, bone side down, directly over drip pan. Cover and grill for 2 to 2-1/4 hours or until an instant-read thermometer inserted into thickest portion reads 155 degree F for medium doneness, turning roast occasionally. Cover and let stand 15 minutes. Cut into individual portions; top with Grilled Papaya Butter. Makes 12 servings. Grilled Papaya Butter Peel and seed papaya; cut into thick slices. Lightly brush slices with cooking oil. Grill papaya slices over medium-high heat for 5 minutes, turning once. Set aside. Soften butter (no substitutes). Finely chop papaya; stir into butter. Spoon mixture onto a sheet of plastic wrap. Roll into a log, twisting ends closed. Chill for 2 hours or until firm. Cut into 1/4- to 1/2-inch-thick slices to serve. Reserve remaining papaya and papaya butter for another use. Rate it Print Nutrition Facts (per serving) 470 Calories 41g Fat 2g Carbs 22g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 12 Calories 470 % Daily Value * Total Fat 41g 53% Saturated Fat 19g 95% Cholesterol 18mg 6% Sodium 274mg 12% Total Carbohydrate 2g 1% Protein 22g Vitamin C 2.4mg 12% *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.