Butternut Squash Curry without spice broth

1 onion , chopped 1 -2 teaspoon canola oil 2 tablespoons curry powder 1 tablespoon cumin 1 tablespoon coriander 1 teaspoon cinnamon 10 ounces frozen spinach ,[...]

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[...]