Homemade Soft Cheese Onion Bread (Soft, Cheesy, Golden) - My Home Made Recipe

Ingredients

• 215 ml (scant 1 cup) whole milk, warmed to 95-105°F
• 12 g (2 teaspoons) honey
• 7 g (2 1/4 teaspoons) instant yeast
• 1 large egg, beaten
• 450 g (3 3/4 cups) all-purpose flour, plus more as needed
• 35 g (2 1/2 tablespoons) unsalted butter, softened
• 8 g (1 1/3 teaspoons) fine salt
• 225 g (8 oz) young Gouda, Havarti, or mild cheddar, grated
• 100 g (3 1/2 oz) cream cheese spread or plain cheese spread
• 75 g (1/2 medium) yellow onion, thinly sliced into half-moons
• 200 g (2 cups) grated cheddar, mozzarella, or a mix
• 1 large egg, beaten for egg wash