Soak the skewers for at least 20 minutes totally submerged in water before using it to prevent burns.
Heat the oven to 450°F. Lightly spray or oil baking sheet or roasting pan to prevent the suya from sticking to the pan
In a medium bowl, mix garlic powder, onion power, smoked paprika, white pepper, cayenne pepper, peanut butter and bouillon/maggi.
Pat the chicken thighs dry with a paper towel. You want to have a completely dry chicken before cooking. Slice the chicken into a diagonal medium thin shape or bite size.
Thread the chicken onto the skewers about 4 per skewer. Making sure the skewer is fully covered with slices of chicken
Brush the chicken skewer with spice mixture; on both sides. Place skewers on the roasting pan or baking sheet.
Drizzle with oil and bake on for about 20 minutes- rotating sides half way through baking until chicken is fully cooked through. Towards the last 3 minutes of baking. Switch from baking to broiler setting. To get a nice crisp brown on the outside.
Serve warm and pair these chicken suya with African Pepper Sauce featured here and with onions .