Go Back
Close-up of a freshly baked Onion Bake with Parmesan, featuring browned, cheesy tops over tender onions in a clear glass baking dish.

Onion Bake with Parmesan

This recipe provides a simple, oven-baked side dish featuring thick onion rounds topped with Parmesan cheese. During testing, Parmesan created a golden top layer that added both texture and reliable flavor.
Print Recipe Pin Recipe
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Side Dish
Cuisine American
Servings 4 servings

Equipment

  • Oven
  • Baking Sheet

Ingredients
  

  • 3 large onions sliced into thick rounds
  • 40 ml olive oil
  • 80 g grated Parmesan
  • 5 g dried oregano
  • 2 g salt
  • 1 g black pepper

Instructions
 

  • Preheat your oven to 200°C.
  • Arrange the onion slices in a single layer on a baking sheet.
  • Drizzle the olive oil over the onions.
  • Sprinkle the Parmesan, oregano, salt, and pepper evenly over the onions.
  • Bake for 25 to 30 minutes until the onions are golden and tender.
  • Serve the bake warm.

Notes

This side dish works well for family dinners and pairs with simple main courses.
By Emily Mitchell, Efficiency & Testing Coordinator at Recipes by Betty.
Keyword Baked Onions Whole, Cheesy Baked Vegetable Side, Chicken Wing Boil, Dinner Ideas Easy, Easy Dinner Recipes For Family, Easy Food Recipes, How To Make An Onion Boil, Lazy Dinners, Mexican Food Recipes, Onion Bake with Parmesan, Seafood Boil Side Dishes, Supper Ideas