Marinated Pork Party Sandwiches
["2 cups mayonnaise", "2 Tbsp. Minced fresh chives", "1 1/2 Tbsp. White wine vinegar", "1 1/4 tsp. Ground ginger", "1/4 teaspoon salt", "Pinch of paprika", "3 (3/4 lb.) pork tenderloins", "1/2 cup olive oil", "3 Tbsp. Grated onion", "3 Tbsp. White wine vinegar", "3/4 tsp. Garlic powder", "1/2 tsp. salt", "1/2 tsp. Chili powder", "1/2 tsp. Dried oregano", "Kale leaves (Optional)", "cocktail rolls (I used Snowflake Rolls from Food Lion as a substitute)"]
["Combine first 6 ingredients; cover and chill at least 8 hours.(Mayonnaise mixture)", "Trim fat from tenderloins.", "Place tenderloins in a large heavy-duty, zip-top plastic bag.", "Combine oil and next 6 ingredients; pour over tenderloins.", "Seal bag; marinate in refrigerator 8 hours, turning bag occasionally.", "Remove tenderloins from marinade, reserving marinade.", "Place tenderloins on a rack in a shallow roasting pan.", "Insert meat thermometer into thickest portion of 1 tenderloin.", "Bake at 425\u00b0 for 10 minutes. Reduce heat to 350\u00b0 and bake an additional 30 minutes or until meat thermometer registers 160\u00b0, basting occasionally with marinade. Let stand 10 minutes.", "Cut tenderloins into 1/4 inch slices and arrange on a serving platter lined with kale leaves, if desired. Serve with mayonnaise mixture and cocktail rolls."]
["mayonnaise", "fresh chives", "White wine vinegar", "Ground ginger", "salt", "paprika", "pork tenderloins", "olive oil", "onion", "White wine vinegar", "Garlic powder", "salt", "Chili powder", "oregano", "cocktail rolls"]