Thai Chicken Kebabs

Name: Thai Chicken Kebabs
Ingredients: 2 cloves garlic (finely diced); 1 piece freshly grated Ginger root (the size of a walnut, finely diced); ⅞ cup Coconut milk; 1 stalk Lemongrass finely sliced into rings (not the woody end part); 3 tablespoons Lime juice; 1 tablespoon sesame oil; 1 tablespoon light soy sauce; 1 teaspoon Turmeric; ½ teaspoon Cumin; 4 Chicken breasts (approx. 140 g each); vegetable oil (for greasing); 1 shallot (finely diced); 1 teaspoon freshly grated Ginger root (the size of a walnut, finely diced); 1 tablespoon vegetable oil; ½ cup Peanut butter; ⅔ cup chicken stock; ⅔ cup Coconut milk; 1 teaspoon Lime juice; cayenne pepper