Tip: If you do not have a waffle iron, use a skillet instead. Heat a lightly-greased skillet over medium-high heat. Once hot, carefully pour the spaghetti squash mixture into the skillet to make a pancake-like shape. Cover, and cook until mixture is golden brown and set, about 10 minutes. Using a spatula, carefully cut the pancake in half. Sprinkle cheese onto one half, and place the other half on top. Cover, and continue to cook until cheese has melted.
