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Savory feta and mushroom brunch squares on parchment.

Feta and Mushroom Brunch Squares


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  • Author: koukie larrouy
  • Total Time: 50 minutes
  • Yield: 9 servings 1x
  • Diet: Vegetarian

Description

These Feta and Mushroom Brunch Squares are a savory, satisfying, and simple-to-make option for lazy weekend mornings or elegant brunch gatherings. Baked with sautéed mushrooms, tangy feta, and fluffy eggs, they’re perfect hot or cold—and totally crowd-pleasing!


Ingredients

Scale
  • 2 tbsp olive oil
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 1½ cups mushrooms, sliced (cremini or button recommended)
  • 6 large eggs
  • ¾ cup whole milk
  • ½ cup all-purpose flour
  • 1 tsp baking powder
  • 1 tsp dried oregano (or fresh thyme)
  • 1 cup crumbled feta cheese
  • Salt and pepper, to taste
  • Optional: ½ cup chopped spinach or parsley

Instructions

  1. Preheat oven to 375°F (190°C). Grease an 8×8-inch baking dish or line with parchment.
  2. In a skillet, heat olive oil over medium. Sauté onion and garlic until soft. Add mushrooms and cook until browned. Remove from heat.
  3. In a large bowl, whisk eggs, milk, flour, baking powder, oregano, salt, and pepper until smooth.
  4. Fold in mushroom mixture and crumbled feta (plus spinach or parsley if using).
  5. Pour into baking dish and bake for 30–35 minutes, until center is set and top is golden.
  6. Cool slightly, cut into squares, and serve warm or at room temperature.

Notes

  • These brunch squares freeze well—just cool, wrap, and store for up to 2 months.
  • Try adding sun-dried tomatoes or swap feta for goat cheese for a twist.
  • Best served with a side salad or smoked salmon.
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Brunch
  • Method: Baked
  • Cuisine: Mediterranean-Inspired