Bacon and cheese gougères

Ingredients

• 6 slices cooked smoked bacon, well drained
• 1 cup (250 mL) 1% milk
• 1⁄4 cup (60 g) unsalted butter
• 1 1⁄4 cups (185 g) all-purpose flour
• 4 large eggs
• 1 cup (110 g) coarsely grated Gruyère cheese
• 1⁄2 cup (50 g) finely grated Parmesan cheese
• 1⁄2 teaspoon chilli powder
• 1 egg yolk whisked with 1 tablespoon (15 mL) cool water, for egg wash