| 1/2 pound fresh mushrooms, sliced |
| 2 tablespoons butter or margarine |
| 2 tablespoons all-purpose flour |
| 1/2 to 1 teaspoon curry powder |
| 1 can (15 ounces) solid-pack pumpkin |
| 1 can (12 ounces) evaporated milk |
| 1/4 teaspoon ground nutmeg |
| sour cream and chives, optional |