Irresistible Roasted Parmesan Creamed Onions Recipe For All

Creamy, golden-brown creamed onions with a crisp parmesan roasted topping promise to steal the spotlight at any dinner table.

This classic side dish elevates humble onions into a luxurious accompaniment that melts in your mouth.

Soft, caramelized onions blend seamlessly with a rich, velvety sauce that hints at comfort and indulgence.

Each bite delivers a perfect balance of savory flavors and silky textures.

The parmesan roasting technique adds a delightful crunch that contrasts beautifully with the tender onions underneath.

Warm, inviting, and surprisingly simple to prepare, these creamed onions will have everyone asking for seconds.

Dive into this irresistible recipe and make your next meal extraordinary.

Quick Recipe Overview

Prep Time: 15 minutes

Cook Time: 45 minutes

Total Time: 1 hour

Calories: 380 kcal

Servings: 5

Ingredients in Roasted Parmesan Creamed Onions

• Onions: Sweet, mellow flavor transforms when roasted; choose firm, glossy bulbs without soft spots or sprouts.
• Olive Oil: Helps onions caramelize beautifully and prevents sticking; select extra virgin for richer taste.
• Salt, Pepper: Enhance natural onion sweetness and provide balanced seasoning; use freshly ground black pepper for depth.

• White Cooking Wine: Adds sophisticated depth and acidity; select dry variety for complex flavor profile.
• Butter: Creates silky, luxurious texture; choose unsalted for better control of overall saltiness.
• Garlic Powder: Infuses subtle aromatic warmth; look for pure, finely ground version without additives.
• Heavy Whipping Cream: Provides rich, velvety consistency; select high-fat content for ultimate smoothness.
• Cayenne Pepper: Introduces gentle heat and exciting flavor complexity; adjust quantity based on spice preference.

• Parmesan Cheese: Delivers nutty, sharp crispy topping; select freshly grated for most authentic flavor and optimal melting characteristics.

Tools You’ll Need for Creamy Roasted Onions

• Baking Sheet: Flat, rimmed metal pan for roasting onions.
• Parchment Paper: Non-stick liner to prevent sticking and easy cleanup.
• Saucepan: Medium-sized pot for preparing cream mixture.
• Aluminum Foil: Covers dish during baking to prevent burning.
• Sharp Knife: For thinly slicing onions.
• Measuring Cups/Spoons: Precise ingredient measurement.
• Grater: To shred Parmesan cheese.
• Wooden Spoon or Whisk: For stirring cream mixture.

How to Make Roasted Parmesan Creamed Onions

• Onion Preparation

Slice onions into delicate, paper-thin rounds and spread them across a parchment-lined baking sheet.

• Initial Roasting

Drizzle the onions with a splash of olive oil, then dust with a pinch of salt and pepper for a flavor boost.

• Cream Sauce Creation

Meld white wine, butter, garlic powder, heavy cream, and a whisper of cayenne in a saucepan, letting the mixture simmer and transform into a luxurious, velvety sauce.

• Cheese and Finish

Lavish the roasted onions with the silky cream mixture, then generously shower Parmesan cheese across the top. Cover with foil and bake until the edges turn golden and the sauce bubbles with excitement.

• Final Flourish

Uncover the dish and return to the oven, allowing the top to caramelize and develop a gorgeous, crispy texture that promises a mouthwatering experience.

Helpful Ideas to Enhance Creamed Onions

• Creamed Onion Edition
• Choose Vidalia or Walla Walla varieties for maximum natural sweetness and tender texture when roasted.
• Slowly simmer the cream sauce to prevent separation and achieve a silky, smooth finish that coats the onions perfectly.
• Experiment with different hard cheeses like Pecorino Romano or aged Asiago for unique flavor profiles beyond traditional Parmesan.
• Adjust cayenne pepper quantity to match your heat tolerance, or swap with smoked paprika for a deeper, more complex flavor without intense spiciness.
• Prepare the dish up to 24 hours in advance and refrigerate; simply reheat in the oven at 375°F for 15-20 minutes before serving to maintain creamy consistency.

How to Serve Roasted Parmesan Onions Elegantly

• Elevate Side Dish Presentation: Serve this luxurious creamed onion dish on a pristine white ceramic platter to highlight its golden, bubbling surface and showcase the elegant layers.
• Pair with Complementary Proteins: Match the rich, creamy onions with roasted chicken, grilled steak, or herb-crusted fish to create a balanced and satisfying meal that brings out the dish's complex flavors.
• Create Elegant Dinner Atmosphere: Garnish with fresh chopped parsley or chives right before serving to add a pop of color and a hint of freshness that cuts through the creamy, cheesy texture.
• Transform into Gourmet Appetizer: Scoop small portions into individual ramekins or mini cast-iron skillets for an impressive starter that will wow guests at dinner parties or holiday gatherings.

Storing Creamed Onions Without Losing Flavor

• Refrigerate Wisely: Store leftover creamed onions in an airtight container within 2 hours of cooking. Keeps fresh for 3-4 days in the refrigerator.
• Reheat Gently: Warm the dish slowly in the oven at 325°F to maintain the creamy texture. Avoid microwave to prevent sauce separation.
• Freeze for Later: Transfer cooled onions to a freezer-safe container, removing excess air. Stays good for up to 1 month. Thaw overnight in the refrigerator before reheating.
• Serve Strategically: Best enjoyed immediately after cooking for maximum flavor and crispy Parmesan topping. Pair with roasted meats or as a luxurious side dish for holiday meals.

Golden Parmesan Creamed Onions Recipe

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4.7 from 30 reviews

• Total Time: 1 hour
• Yield: 5 1x

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Description

Homemade roasted parmesan creamed onions elevate simple side dishes with rich, savory flavors. Caramelized onions meld beautifully with creamy parmesan, creating a luxurious accompaniment you’ll crave alongside main courses.

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Ingredients

Scale 1x2x3x

• 3 sweet onions, thinly sliced
• 1 cup (240 ml/8 fl oz) heavy whipping cream
• ½ cup (50 g/1.75 oz) parmesan cheese, grated
• 4 tbsps (56 g/2 oz) butter
• 3 tbsps (45 ml/1.5 fl oz) olive oil
• ¼ cup (60 ml/2 fl oz) white cooking wine
• 1 tsp garlic powder
• ¼ tsp cayenne pepper
• salt and pepper to taste

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Instructions

1. Preparation: Preheat oven to 375°F (190°C) and line a baking sheet with parchment paper for easy cooking and clean-up.
2. Onion Layering: Spread thin onion slices across the sheet, ensuring minimal overlapping to promote even roasting and caramelization.
3. Initial Seasoning: Drizzle extra virgin olive oil over onions, then season with kosher salt and black pepper to amplify natural flavors and create a robust foundation.
4. First Roasting Phase: Place onions in the oven for 15 minutes, allowing them to soften and develop delicate caramelized edges.
5. Cream Sauce Creation: Simultaneously, combine white cooking wine, unsalted butter, garlic powder, heavy whipping cream, and cayenne pepper in a saucepan over medium heat.
6. Sauce Development: Whisk the cream mixture continuously until it transforms into a smooth, thickened sauce with a luxurious consistency, approximately 5-7 minutes.
7. Temperature Adjustment: Increase oven temperature to 450°F (230°C) and remove partially roasted onions for the next stage of preparation.
8. Cream Integration: Pour the velvety cream sauce evenly over the roasted onions, ensuring complete coverage and flavor distribution.
9. Cheese Topping: Generously sprinkle freshly grated Parmesan cheese across the surface, creating a rich and nutty flavor layer.
10. Final Baking: Cover the baking sheet with aluminum foil and return to the oven for 20 minutes, allowing flavors to meld and intensify, then uncover and bake an additional 10 minutes until the top achieves a golden, crispy finish.

Notes

• Slice Evenly: Use a sharp knife or mandoline to create uniform, thin onion slices for consistent cooking and elegant presentation.
• Oil Distribution: Ensure every onion slice is lightly coated with olive oil to prevent burning and promote even caramelization.
• Cream Sauce Technique: Stir constantly while simmering to prevent sauce separation and achieve a smooth, velvety texture.
• Cheese Coating: Grate Parmesan fresh for maximum flavor intensity and melt-ability, avoiding pre-packaged grated cheese.

• Prep Time: 15 minutes
• Cook Time: 45 minutes
• Category: Dinner, Appetizer
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 5
• Calories: 380
• Sugar: 2 g
• Sodium: 300 mg
• Fat: 36 g
• Saturated Fat: 20 g
• Unsaturated Fat: 12 g
• Trans Fat: 0 g
• Carbohydrates: 8 g
• Fiber: 1 g
• Protein: 6 g
• Cholesterol: 90 mg