*Make sure your ice cream maker is properly frozen and ready to use.
For the Blueberry Compote:
In a small saucepan over medium heat combine the blueberries, water and sugar. Stir and cook for 10 minutes, gently pushing the berries against the sides of the pan to release juices. In a small bowl whisk together the lemon juice and cornstarch, then stir into the blueberry mixture. Cook until the blueberry sauce begins to thicken, then remove from heat and bring to room temperature.
For the Crumble:
Pre heat oven to 400 degrees F. In a medium bowl combine the quick oats, brown sugar, melted butter, flour, chopped nuts, and cinnamon, stir together.
Spread the oat mixture onto a baking sheet in a thin layer. Bake for 8-10 minutes or until the oats are golden brown. Let cool, and set aside.
For the Vanilla Ice Cream Base:
In a large bowl, whisk together 1 1/2 cups of milk and 1 1/4 cups sugar until the sugar is dissolved. Add 3 cups of heavy cream and 1 1/2 tbsp of vanilla extract and whisk to combine.
Pour into the base of your ice cream maker and let churn for 25-30 minutes, until soft serve consistency.
Once the ice cream is ready scoop it into a large bowl and add 1 1/2 - 2 cups of the blueberry compote (reserving the rest for a sauce), gently fold in the blueberries. DO NOT OVER STIR.
Break up the oat crumble mixture into small pieces and add it to the ice cream, fold it in gently.
Pour into a freezer proof pan (I used my 9"x5" bread loaf pan), and place in the freezer for 3-4 hours or until desired consistency.
Serve with the extra blueberry sauce on top if desired.
To make this ice cream super easy, try using blueberry pie filling in place of the blueberry compote, and a store bought (oat based) granola in place of the oat crumble! Quick and easy!