Potato Cheese Pizza, Easy and quick dinner recipe!

Ingredients:
- 4 potatoes
- 5g baking powder (1 tsp)
- 2 eggs
- 100g plain flour
- Vegetable oil
- 1 onion
- 1 red bell pepper
- 5g salt (1 tsp)
- 5g paprika (1 tsp)
- Black pepper
- Mozzarella cheese
- Spring onion (optional)