Brown Butter Brioche Cinnamon Rolls

Ingredients

• 1 ½ cups (350g) whole milk
• 6 Tablespoons (80g) unsalted butter
• 4 teaspoons (18g) instant yeast
• 6 cups (780g) all-purpose flour
• ½ cup (116g) granulated sugar
• 1 teaspoon salt
• 3 large eggs (at room temperature)
• 1 cup (2 sticks or 226g) unsalted butter
• 1 cup tightly packed (215g) brown sugar
• 2 Tablespoons (16g) cinnamon
• ½ cup (120g) heavy cream ((for pouring over the rolls before baking))
• 4 Tablespoons (57g) unsalted butter
• 8 oz (1 block or 227g) cream cheese (at room temperature)
• 2 ½ cups (280g) powdered sugar
• 2 teaspoons vanilla extract