Butternut Squash with serrano

2 teaspoons vegetable oil 1/2 teaspoon brown mustard seeds 3 garlic cloves, finely chopped 1 serrano chile, halved, seeded, and thinly sliced 1 medium[...]

8 ounces butternut squash, peeled and chopped into 1-inch cubes 1/2 cup water salt , to taste 8 ounces green beans , trimmed and chopped into 1-inch pieces 1[...]