Eggs baked in brioche with ham, wilted spinach and hollandaise - 9Kitchen

Ingredients

• 60 gm butter, coarsely chopped
• 6 eggs, at room temperature
• To serve: thickly sliced leg ham and wilted spinach
• 7 gm (1 sachet) dry yeast
• 70 ml lukewarm milk
• Pinch of caster sugar
• 500 gm (3 1/3 cups) plain flour
• 2 green onions, thinly sliced
• 6 eggs, lightly beaten, at room temperature
• 350 gm butter, softened
• 1 egg, lightly beaten with 1 tbsp milk, for egg wash
• 200 gm butter, coarsely chopped
• 2 tbsp white wine vinegar
• 3 egg yolks
• 1 lemon, juice only