Crock-Pot Maple Pumpkin Spice Chex Mix

Chex cereal (I used 3 cups each Rice Chex and a storebrand honey-nut Chex; try Cheerios, Golden Grahams, etc.)

dried fruit (I used 1 cup each dried cranberries and dried cherries; try (golden) raisins, etc.)

to 2 cups nuts (I used 3/4 cup each honey-roasted cashews and honey-roasted peanuts)

to 2 cups pretzels

chopped graham crackers, diced in large 1-inch pieces (about 5 full-size graham crackers)

unsalted butter, melted

maple syrup (I used sugar-free pancake syrup)

light brown sugar, packed

to 2+ tablespoons pumpkin pie spice

vanilla extract

salt, optional and