Instructions: Heat oven to 350 degrees.

Mix cake mix with cider, water, oil and eggs in large bowl. Mix at low speed until moistened.

Add sour cream and mix about 4 minutes. Stir in diced apples.

Make streusel mixture.

Mix all ingredients together with fork until crumbly.

Spray Bundt cake pan with nonstick vegetable spray. Begin with streusel mix; layer with cake batter and streusel mix until batter is finished.

Bake in preheated oven for 60 minutes. Carefully remove cake from pan onto plate.

Make butter frosting.

Soften butter; add sugar and vanilla. Mix well. Add milk and beat until smooth. Add additional milk, if needed, to make thin frosting. Drizzle frosting over warm cake.

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