Heart Healthy Apple Crumb Pie (Gluten Free)

Ingredients

• 1/2 cup old-fashioned rolled oats
• 1/4 cup finely chopped pecans or walnuts
• 2 Tbsp packed dark brown sugar
• 1 tsp vanilla extract
• 1/2 tsp ground cinnamon
• 1/4 tsp freshly ground nutmeg
• 2 Tbsp olive oil
• 2 Granny Smith apples, peeled, cored and cut into 1-inch pieces
• 2 Red Delicious apples, peeled, cored and cut into 1-inch pieces
• 1 Honeycrisp apple, peeled, cored and cut into 1-inch pieces
• 2 Tbsp fresh lemon juice
• 1 tsp lemon zest
• 1/4 cup packed dark brown sugar
• 1/4 cup granulated sugar
• 1/2 tsp pumpkin pie spice
• 1/4 tsp freshly ground black pepper
• 1/4 tsp sea salt
• Fat-free whipped topping, optional
• Fresh mint leaves, for garnish (optional)
• Cinnamon sticks, for garnish (optional)