Overnight Cider Pumpkin Waffles w/Toasted Pecan Butter, Cider Syrup + Spiced Apples

Name: Overnight Cider Pumpkin Waffles w/Toasted Pecan Butter, Cider Syrup + Spiced Apples
Prep time: 30 min
Cook time: 50 min
Total time: 1 h 20 min
Cuisine: American
Ingredients: 2/3 cup warm milk (any % milk will work); 2/3 cup warm apple cider; 2 1/4 teaspoons active dry yeast; 1/2 cup pumpkin puree; 6 tablespoons butter (browned); 2 teaspoons vanilla extract; 2 eggs; 1 1/2 cups white whole wheat flour or whole wheat pastry flour; 1 teaspoon cinnamon; 1/4 teaspoon nutmeg; 1/2 teaspoon salt; 1/2 cup raw pecans; 1 tablespoon brown sugar + 1 tablespoon pure maple syrup; 1 teaspoon vanilla extract; 1 cup salted butter (softened); 1/2 cup pure maple syrup; 1 cup apple cider; 1/2 teaspoon cinnamon; 2 tablespoons butter; 1 1/2 cups honeycrisp or pink lady apples (cored and chopped); 1/4 cup brown sugar