Step 1

Preheat oven to 350 degrees F.

Step 2

Spray spring form pan with vegetable cooking spray.

Step 3

In a large mixing bowl beat sugar and eggs until creamy.

Step 4

Add buttermilk, orange juice, oil, and orange zest and mix again.

Step 5

Sift together flour, baking powder, and salt stir into the wet mixture. DO NOT OVER MIX!

Step 6

In a small mixing bowl combine butter, sugar, flour, and orange zest and with a fork mix until crumbly.

Step 7

Sprinkle over cake.

Step 8

Bake for 30 to 40 minutes or until done. To determine when cake is done insert a long toothpick. If it comes out clean, it is done.

Step 9

Carefully remove cake from spring form pan and place on cake stand.

Step 10

Combine all ingredients and drizzle glaze over the top. Serve warm or at room temperature.