Fall Squash Waffles

Name: Fall Squash Waffles
Ingredients: 1 acorn squash, halved and seeded; water to cover; 2 cups all-purpose flour; 4 teaspoons baking powder; 1.5 teaspoons ground cinnamon; 0.25 teaspoon ground ginger; 0.25 teaspoon salt; 0.25 teaspoon ground cloves; 0.75 cup brown sugar; 1 cup milk; 2 eggs; 2 tablespoons vegetable oil; 1 serving cooking spray