Brioche with crumble and cherries

Ingredients

• THE SPONGE
• ⁄3 cup warm whole milk
• ⁄4 teaspoons active dry yeast
• large egg2 cups unbleached all-purpose flour
• THE DOUGH1⁄3 cup sugar
• teaspoon kosher salt
• large eggs, lightly beaten, room temp
• ⁄2 cups unbleached all-purpose flour 6 ounces unsalted butter, room temperature
• rolled oats
• flour
• sugar
• butter
• cream cheese
• salt
• cinnamon powder
• fresh cherries, pitted and sliced