Berry Oat Cake

Ingredients

• 1 1/2 tbsp ground flaxseed + 3 tbsp water (flax “egg”)
• 1 cup quick or whole oats
• 1 cup whole wheat flour
• 1/2 cup sugar
• 2 tsp baking powder
• 1/2 tsp baking soda
• 1 tsp ground cinnamon
• 1/2 tsp ground ginger
• 1/2 tsp salt
• 1 1/4 cup mixed frozen berries, divided
• 1/2 cup water
• 1 tbsp lemon juice
• 1/3 cup unsweetened applesauce
• 1 tsp vanilla extract
• powdered sugar, for dusting