Warmth broiler to 375°F and gently oil 9-by 13-inch baking dish. In huge bowl, combine collectively oats, baking powder, cinnamon, nutmeg, salt and cloves.
In second huge bowl, whisk eggs till no streaks stay. Add fruit purée, milk, maple syrup, ginger, vanilla and
6 tablespoons oil and velocity till joined. Add dry fixings to bowl and blend till just lately joined. Maintain 1/3 cup slashed walnuts for garnish and overlay staying into hitter alongside apples.
Unfold participant in skillet in even layer. Dissipate saved walnuts on prime and put together in prime third of broiler till fully set and edges begin to brown, 45 to 55 minutes. Let cool 10 minutes previous to serving.