Coffeecake, Buttery

Ingredients

• 2 cups whole milk
• 1 1-oz. package active dry yeast
• 1-1/8 cups granulated sugar, divided
• 1 pound salted butter, divided (cold)
• 4 large eggs
• 1/2 tsp. salt
• 6 cups unsifted, unbleached all-purpose flour, divided