Whipped feta, onion and spicy blueberry chutney galette

Name: Whipped feta, onion and spicy blueberry chutney galette
Prep time: 20 min
Cook time: 1 h 5 min
Total time: 1 h 25 min
Cuisine: French
Ingredients: 2 1/4 cup Flour; 1/3 cup Butter; 1 Egg; 1 pinch Salt; 2 tbsp Olive oil; 1 Onion (diced); 1 tbsp Mustard seeds; 1/2 tsp Cumin; 1/2 tsp Cayenne pepper; Ginger; 1 Garlic clove; 3 tbsp Cider vinegar; 2 cup Blueberries; 1 Lime (Zest & juice); 2 tbsp Brown sugar; 2 tbsp Plain yoghurt; 1 Feta cheese; 1 Cannellini beans; 1/2 cup Cheese grated; 1 onion