01 - Preheat oven to 350°F. Grease a 9-inch springform pan and line with parchment paper.
02 - Whisk together flour, cocoa powder, baking powder, baking soda, and salt in a medium bowl.
03 - Beat butter and sugar until light and fluffy. Add eggs one at a time, beating well after each. Mix in vanilla.
04 - Add dry ingredients to wet, alternating with milk, beginning and ending with dry ingredients. Mix until just combined.
05 - Pour batter into prepared pan and smooth top. Bake for 22-25 minutes until a toothpick inserted in center comes out clean. Cool completely in pan.
06 - Spread softened strawberry ice cream evenly over cooled cake. Smooth top and freeze for 3-4 hours until firm.
07 - Melt chocolate chips and coconut oil in microwave-safe bowl in 30-second intervals, stirring until smooth. Let cool slightly.
08 - Remove cake from freezer, release from springform pan, and place on serving plate. Pour chocolate shell over ice cream layer, spreading quickly to set evenly.
09 - Garnish with fresh strawberry halves and drizzle with melted dark chocolate if desired. Return to freezer for 30 minutes to set shell. Let stand at room temperature for 10 minutes before slicing.