This happens to be my husband's recipe. He loves squash and pumpkin cooked just about any way. He particularly loves this recipe.
Kabocha Pumpkin Recipe:
1 large Kabocha pumpkin, washed and cut up into large size pieces. No need to peel. Just be sure to remove the seeds (which can be roasted).
1 tablespoon minced fresh ginger
1 envelope Dashi or you can use your own homemade Dashi
1/4 cup brown sugar
2 tablespoons soy sauce
1 tablespoon oil
1/2 cup water
In a large saucepan, Heat the oil and then fry the ginger. Add the pumpkin and blend well. Add the water, brown sugar, Dashi, soy sauce. Bring to a boil and then cover and lower the heat to medium low. Cook until pumpkin is tender.