The night (or 8 hourbefore you make these, soak walnuts in pure water. After soaking, drain the water and place nuts in blender with other nut milk ingredients. Blend until completely smooth. No need to strain, since the milkshakes will appreciate the extra creaminess.
Open can of chilled coconut cream from the bottom, so you can pour out the liquid that’s separated from the creamy stuff at the top. Scoop out the cream and place in a large bowl. Add maple syrup and whip on medium with an electric beater until creamy and whippy. Keep in fridge until ready to top milkshakes.
Preheat oven to 425ºF.
In a medium bowl, mix ingredients for salty peanut crumble. Spread on a small baking sheet and bake for 4-7 minutes, removing when edges start to brown. Stir gently, and let cool.
Remove frozen apple slices from freezer and place in blender with all milkshake ingredients. Blend til smooth. Top with maple coconut whipped cream and salty peanut crumble. Enjoy!
(You’ll have extra crumble and whipped cream—store in airtight containers for up to a week in the fridge and enjoy with other treats!)