Small Batch Black Bottom Banana Loaf

Bahan-bahan (1 porsi)

• 6 tbsp all purpose flour (45 grams)
• 1/4 cup sugar (54 grams)
• 1 tbsp + 1 tsp cocoa powder (9 grams)
• 1/8 tsp baking soda
• pinch of salt
• 1/4 cup cold water
• 1 tbsp canola oil (or other flavorless oil)
• 3/4 tsp white vinegar
• 1/2 tsp vanilla extract (scant)
• 1/4 cup plus 2 tablespoons + 2 teaspoons all purpose flour (52.5 grams)
• 1/4 tsp baking soda
• 1/8 tsp salt
• pinch of cinnamon
• 1/4 cup plus 1.5 tsp sugar (57.5 grams)
• 1/2 large egg (whisk a large egg and weight out 26-28 grams or measure out 1.5 tablespoons)
• 2 tbsp canola oil (or other flavorless oil)
• 1 very ripe banana (about 6 tbsp or 85 grams)
• 1.5 tsp sour cream (or greek yogurt)
• 1/4 tsp vanilla extract