Ingredients: butter, sugar, brown sugar, soda, salt, flour, quick oats, cream cheese, sweetened condensed milk, vanilla, egg yolk, and blueberries.

Combine butter and sugars in a large bowl; add soda, salt, flour, and oats.

Press half the mixture into a pan and bake at 350℉ for 13 mins.

To making filling: stir the cream cheese until smooth; add sweetened condensed milk and whisk until combined; add egg yolk and vanilla.

Spread the filling over the bottom layer; sprinkle with blueberries.

Top with remaining oat mixture; bake  for 20-25 more mins; cool completely before serving.