This reminds me of fall. It is very good.

Streusel
1 1/4	C	Packed light brown sugar
3/4	C	Flour
1	stick	Cold butter, cut in pieces
2	tsp	Cinnamon
1	C	Walnuts, coarsely chopped

• Heat oven to 350. Grease and flour 14-C. bundt pan.
• In a medium bowl, stir brown sugar, flour, butter and cinnamon with a fork or rub together with fingertips until crumbly and butter is completely incorporated. Stir in walnuts.

cake
3 1/4	C	Flour
1 1/2	tsp	Baking powder
3/4	tsp	Baking soda
1 1/2	sticks	Butter, room temp.
1 1/4	C	Sugar
3	lg	Eggs
2	tsp	Vanilla
16	oz	Plain yogurt
2		Granny Smith or Golden apples, peeled, cored, and cut in 1/2" pieces

• Mix flour, baking powder and baking soda in a small mixing bowl.
• Beat butter and sugar in a large bowl with electric mixer until fluffy. Beat in eggs, one at a time, beating well after each. Beat in vanilla and yogurt. On low speed, beat in flour mixture just until blended.
• Spoon 3 C. batter into pan; spread evenly. Sprinkle with 1/4 C. of the streusel, the apples, then 1/2 C. streusel. Spoon on remaining batter and spread evenly. Sprinkle with remaining streusel, pressing down lightly so it sticks to batter.
• Bake 50-60 minutes or until toothpick comes out clean. Cool 15 minutes. Place cooking sheet over pan and carefully invert both. Remove pan and cool completely. To serve, invert onto serving plate.