Mix 4 eggs, yeast, flour, cider, salt, sugar, and vanilla in a mixer until a shaggy dough forms. Add butter gradually, mixing until smooth. Let the dough rise for 1½ hours.
STEP 2
Spray a Bundt pan with nonstick spray. Boil 3 cups apple cider until syrupy, about 20 minutes.
STEP 3
Add brown sugar, cream, butter, salt, vanilla, and cinnamon to the cider; boil until thickened and pour into the prepared pan.
STEP 4
Combine apples, more cider, brown sugar, salt, and cinnamon in an unwashed pot; cook until tender.
STEP 5
Combine brown sugar, cinnamon, and salt in a bowl; place melted butter in another bowl.
STEP 6
Press dough into a slab, cut into pieces, and coat each piece in butter then cinnamon sugar before layering in the Bundt pan with apples. Let rise for 45 minutes.
STEP 7
Preheat the oven to 350°F. Bake the bread for 40-45 minutes or until golden brown. Cool for 20 minutes, then invert onto a platter.