Sugar pie pumpkins are most commonly used for….

Baking. Roast pumpkin, scoop out, puree cooked flesh, combine with eggs, cream, sugar, spices, bake into pie. Fold pureed pumpkin into muffin, pancake batter. Dice pumpkin flesh into chunks, roast until tender then combine with cubed bread, cover with egg custard, bake into bread pudding. Cut stem top off pumpkin, clean inside, stuff with bread, cheese, bake until tender.