Onion & Creme Fraiche Tart Recipe

• 1 1/2 c chestnut flour
• 1 1/4 c tapioca starch
• 1 tsp guar gum
• 1 1/2 tsp baking powder
• 1/2 tsp salt
• 1 tbsp brpwm sigar
• 1 tsp active dry yeast
• 1/2 tsp sugar
• 3/4 c + 1 tbsp warm water
• 4 tbsp creme fraiche
• 2 red onions thinly sliced
• 3 1/2 oz bacon cubes
• 4 sprigs thyme leaves only

Directions