Bring a large pot of water to a boil over high heat.
In a small bowl, combine the coconut milk, fish sauce, lime juice, and lime zest. Set aside.
Heat olive oil in a frying pan over medium high heat. Add the red onion and cook for 2 minutes; Add the sweet pepper, jalapeño and garlic clove and cook for an additional minute.
Blanch the kale in the now boiling water for 2 minutes, drain, and put into a large bowl.
Add the stir-fried vegetables and the dressing to the kale and mix well.