German Kuchens

Ingredients

• ***For the dough:***
• 1 1/8 teaspoons active dry yeast
• 1/2 cup water, warmed to 110-115 degrees F
• 1/2 cup 2% milk, warmed to 110-115 degrees F
• 1/2 cup sugar
• 1/2 teaspoon salt
• 1/2 cup canola oil, plus more, to taste, for greasing the bowl
• 1 large egg, room temperature and lightly beaten
• 3 1/2 cups all-purpose flour, plus more, to taste, for dusting a work surface
• ***For the custard:***
• 4 large eggs, lightly beaten
• 2 cups heavy whipping cream
• 1 1/2 cups sugar
• 10 cups tart apples, peeled and sliced
• ***For the cinnamon topping:***
• 1/2 cup all-purpose flour
• 1 teaspoon ground cinnamon
• 1/4 cup cold butter