Shrimp Mushroom Crepe with Cheese sauce - Bonaire Island inspired

Name: Shrimp Mushroom Crepe with Cheese sauce - Bonaire Island inspired
Ingredients: INGREDIENTS; . 1 cup; (150g); all-purpose flour; . 1 tsp.; (5ml) baking powder; . 1/4 tsp.; (1.5ml) sea salt; . 2 Tbsp.; (20ml) E.V. Olive oil; . 1/2 cup; (125ml) milk; (low fat+); . 1/2 cup; (125ml) water; . 1 xLarge egg; . 1 Tbsp. E.V. Olive oil; . 2 shallots,; thinly sliced; . 1 cup; (250ml) mushrooms; (Asian 'straw' were used); . 16; medium raw shrimps; . generous pinch salt, marjoram, tarragon; . 1 Tbsp.; (15ml); unsalted butter; . 2 Tbsp.; (30ml)