Kumror Ghanto (Butternut Squash in Mustard Sauce)

Vegetables - Squash - -

• 2 tablespoons vegetable oil (mustard oil preferred)
• 1 bay leaf
• 1 whole dried red chilli
• 1/4 teaspoon kalonji seeds
• 1 green chilli, seeded and chopped
• 1/4 teaspoon turmeric
• 4 cups butternut squash cut into 2.5 centimeter / 1 inch cubes
• 1/2 teaspoon salt
• 1/2 teaspoon sugar
• 1/4 cup water
• 1 teaspoon black mustard seeds ground to a powder, mixed with 2 teaspoon water and allowed to stand for 30 minutes
• 1/4 cup dried, flaked or shredded sweetened coconut or freshly grated or shredded coconut mixed with 1/2 teaspoon sugar