The Great Purple Sweet Potato Pie

Ingredients (for 10 servings)

• 1 cup — oat flour or whole wheat flour
• 1 cup — walnuts
• 3 tbsp — cane sugar
• 1 tbsp — brown or golden flaxseed meal
• 0.5 tsp — sodium-free baking powder
• 0.25 tsp — cinnamon
• 0.12 tsp — sea salt
• 1.5 lb — purple sweet potatoes
• 0.75 cup — plant-based milk
• 0.25 cup — + 2 tablespoons pure cane sugar or pure maple syrup
• 3 tbsp — lime juice
• 1.5 tbsp — lime zest
• 1 cup — blueberries
• 1 tbsp — cane sugar or pure maple syrup
• 1 tbsp — lime zest