Indian Dahl

2 tablespoons canola oil

1 onion -- chopped

5 cloves garlic -- minced

1/4 teaspoon turmeric

1/2 teaspoon garam masala or other curry powder

1/4 teaspoon black mustard seeds

1/4 teaspoon ground cumin

1/8 teaspoon cayenne

2 quarts vegetable stock

2 cups dried yellow split peas -- rinsed

1 1/2 cups kale -- chopped

2 tablespoons fresh grated ginger -- (or more), to taste

1/4 cup fresh cilantro -- chopped