Everything Buns | Lazy Cooking

Ingredients

• ***For the dough:***
• 1/2 cup whole milk
• 1/2 cup water, plus more, to taste
• 2 1/4 teaspoons active dry yeast
• 2 tablespoons sugar, divided
• 4 tablespoons unsalted butter, melted, plus more, to taste, for greasing the bowl and plastic wrap
• 1 large egg yolk
• 2 3/4 cups all-purpose flour, plus more, to taste, for dusting the work surface
• 1 teaspoon kosher salt
• ***For the filling:***
• 3 tablespoons poppy seeds
• 3 tablespoons sesame seeds
• 2 tablespoons dried garlic flakes
• 2 tablespoons dried onion flakes
• 1 (8-ounce) package cream cheese, room temperature
• 1 large egg
• 1/4 cup all-purpose flour
• 5 scallions, sliced
• 1 teaspoon lemon zest
• kosher salt, to taste
• black pepper, to taste
• 2 tablespoons unsalted butter, room temperature
• ***For the topping:***
• 4 tablespoons unsalted butter, room temperature
• 3 scallions, sliced
• salt, to taste