-
1
Preheat oven to 350F.
-
2
Butter and flour three 9-inch-diameter cake pans with 1 1/2-inch-high sides.
-
3
Sift flour, cocoa powder, baking soda and salt into medium bowl.
-
4
Mix 2 cups cold water and sugar in large bowl until sugar dissolves.
-
5
Gradually mix in corn oil and vanilla extract.
-
6
Whisk in dry ingredients.
-
7
Divide cake batter among prepared pans.
-
8
Sprinkle 1/2 cup mint-flavored chocolate chips over cake batter in each pan.
-
9
Bake cakes until tester inserted into center comes out clean, about 25 minutes.
-
10
Cool cakes in pans on rack 15 minutes.
-
11
Cut around pan sides.
-
12
Turn cakes out onto racks and cool completely.
-
13
Combine powdered sugar, cocoa powder, unsalted butter, 6 tablespoons milk, peppermint extract and vanilla extract in large bowl.
-
14
Using electric mixer, beat frosting until smooth.
-
15
Thin with more milk by tablespoonfuls, if necessary.
-
16
Place 1 cake layer, chocolate-chip side up, on platter.
-
17
Spread 2/3 cup frosting over.
-
18
Sprinkle with 1/2 cup chocolate chips.
-
19
Top with second cake layer, chocolate-chip side up.
-
20
Spread 2/3 cup frosting over.
-
21
Sprinkle with 1/2 cup chocolate chips.
-
22
Top with remaining cake layer, chocolate-chip side down.
-
23
Spread remaining frosting over sides and top of cake.
-
24
(Can be made 1 day ahead.
-
25
Cover with cake dome; let stand at room temperature.)
-
26
Place striped peppermint candies in heavy plastic bag.
-
27
Crush with hammer.
-
28
Sprinkle candies over cake.