Heat a large braiser or skillet on medium heat then pour in the olive oil. Once the oil is hot, add the sliced onions to the pan. Saute for about 15 minutes, stirring occasionally, until slightly browned.
Add the sliced potatoes and spice blend and mix together
Pour the water into the pan, then mix in the peas. Nestle the chicken into the veggies, then drizzle the pan with 1 tbsp of date syrup.
Cover the pan with a lid, and bake covered for 60 minutes, then uncovered for 20 minutes.
Spoon any extra sauce over the top of the chicken before serving.