Preheat oven to 350 degrees. Grease and flour bundt pan very well.
Combine flour, salt and baking powder in medium bowl. Set aside.
Cream butter, sugar and 2 T milk until light and fluffy, about 4-5 minutes.
Beat egg whites one at a time into mixture.
Stir dry ingredients into creamed mixture alternately with remaining milk.
Add vanilla extract.
Divide batter into 2 equal parts and place in separate bowls.
Add ½ teaspoon peppermint extract to one batter.
Melt chopped chocolate in a microwave safe dish in 30 second increments, stirring in-between, until smooth and completely melted.
Add baking soda to chocolate then pour into batter that does not contain peppermint extract.
Drop by spoonfuls into greased and floured pan alternating the chocolate and white batters.
Bake for 50 min or until toothpick comes out clean.
Remove from oven and let cool for 10 minutes then invert onto wire rack and let cool completely.
Once cool, make chocolate ganache.
Chocolate Ganache
Warm heavy whipping cream, just below boiling stage, then add to finely chopped dark chocolate. Stir until smooth and chocolate is completely melted.
Drizzle over cake. Immediately sprinkle crushed candy canes on top of hot ganache then let cool.
Notes
STORE/FREEZE
Store the cake in an airtight container or wrap it tightly in plastic wrap and store it in the refrigerator. It will stay fresh for up to 5 days.Freeze the unglazed cake tightly in plastic wrap, then in foil. Freeze for up to 3 months. When ready to serve, thaw at room temperature, glaze, and top with crushed candy canes before serving.