01 - Preheat oven to 350°F. Grease and line a 9-inch springform pan 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, or until toothpick inserted in center comes out clean. Cool completely in pan.
06 - Spread softened strawberry ice cream evenly over cooled cake layer. Smooth top. Freeze for at least 3–4 hours until firm.
07 - Melt chocolate chips and coconut oil together in microwave-safe bowl in 30-second intervals, stirring until smooth. Let cool slightly.
08 - Release cake from springform pan and place on serving plate. Pour cooled chocolate mixture over ice cream layer, spreading quickly to set evenly.
09 - Arrange fresh strawberry halves on top and drizzle with melted dark chocolate if desired.
10 - Return to freezer for 30 minutes to set shell. Let stand at room temperature for 10 minutes before slicing and serving.