Potato stuffed bread with sourdough starter

Name: Potato stuffed bread with sourdough starter
Ingredients: Starter feeding:; 50 gr cold starter from fridge; 50 gr all purpose flour; 25 gr whole wheat flour; 50 ml water; Dough ingredients:; 100 gr all purpose flour; 50 gr whole wheat flour; 75 ml water; 1 tsp salt - given after autolyse; 1 tsp oil (olive oil / vegetable oil) - given after autolyse; Potatoes Stuffing:; 200 gr boiled and mashed potatoes; 1/2 tsp salt; 1/4 tsp chili powder; 1/4 tsp coriander powder; 1/4 tsp cumin powder (optional); 1 pcs chili; 15 gr chopped onion; 1 tbsp oil; 1 tbsp water