Recipes Appetizers and Snacks Dips and Spreads Recipes Cheese Dips and Spreads Recipes Baked Onion Dip I 4.3 (115) 104 Reviews 3 Photos This is a great hot dip and it is extremely simple. It can be easily cut in half for an at-home snack. Enjoy!!! Recipe by Noreen P Updated on August 8, 2022 Save Saved! View All Saved Items Rate Print Share Share Tweet Pin Email Add Photo 3 3 Prep Time: 10 mins Cook Time: 45 mins Total Time: 55 mins Servings: 24 Yield: 6 cups Jump to Nutrition Facts Ingredients 2 cups sweet onion, peeled and chopped 2 cups mayonnaise 2 cups Parmesan cheese Directions Preheat oven to 350 degrees F (175 degrees C). Prepare a 2 quart baking dish with cooking spray. In a large mixing bowl, combine the mayonnaise, onions and cheese. Pour the mixture into the baking dish and bake for approximately 45 minutes, until the top is slightly brown. Serve hot with buttery, round crackers. I Made It Print Nutrition Facts (per serving) 173 Calories 17g Fat 2g Carbs 4g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 24 Calories 173 % Daily Value * Total Fat 17g 22% Saturated Fat 4g 18% Cholesterol 14mg 5% Sodium 232mg 10% Total Carbohydrate 2g 1% Dietary Fiber 0g 1% Total Sugars 1g Protein 4g Vitamin C 1mg 5% Calcium 97mg 7% Iron 0mg 1% Potassium 32mg 1% * Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption. Powered by the ESHA Research Database © 2018, ESHA Research, Inc. All Rights Reserved