BEAT eggs, cream cheese, butter, cake mix, sugar and oats in bowl of mixer fitted with paddle attachment on medium-low speed until well blended, but crumbly. Add nuts and cranberries; beat on low speed just until blended. Spread onto bottoms of 2 greased half-sheet pans (or spread onto bottom of 1 greased half-sheet pan for trial recipe).
STREUSEL Topping: Beat all ingredients in separate bowl with mixer on low speed until well blended, but crumbly; sprinkle over dough.
BAKE in 300º F-convection oven 28 to 30 min. or until golden brown. Cool completely.
CREAM Cheese Drizzle: Beat ingredients until well blended; drizzle over dessert. Cut into bars.