Preheat oven to 375ْ.

Cut an Acorn squashes in half crosswise. (cut off very bottom of squash so they don't fall over in dish.) Scoop out the seeds & pulp. Dice the sausage & fill the cavity of the squash. Dot with tsp butter on each half. Sprinkle Brown sugar & cinnamon on top. Bake in the covered dish for 1 hour.