1 stick of butter, melted
1 onion, chopped
5 lbs butternut squash, peeled and cut into 1/2 inch pieces
1 1/2 cups orange juice
1/2 cup maple syrup
1 tsp cinnamon

Place the butter, onion, squash and orange juice in the slow cooker. Cook on Low for 6 to 10 hours or on High for 3 to 4 hours. Add the cinnamon and maple syrup. Using a potato masher, mash the ingredients. Mix until smooth and serve warm.