Vegetable cooking spray
1 (10.75-ounce) frozen pound cake, thawed and cut into 9 (1-inch) slices
2 tablespoons butter, melted
1/3 cup honey, for drizzling
8 ounces mascarpone cheese
1/2 cup whipping cream
1/4 cup granulated sugar
1 tablespoon fresh orange juice
1 lemon, zested and juiced
1 lime, zested and juiced
1 teaspoon orange zest
1 teaspoon vanilla extract
2 large oranges, segmented