Death by Chocolate Ice Cream

INGREDIENTS

For the ice cream::

1 1/2 cups

whole milk

1 1/2 cups

heavy cream

3/4 cup

granulated sugar, divided

1/4 cup

unsweetened cocoa powder, preferably Dutch-process, sifted

1/4 tsp

fine sea salt

1/2 tsp

vanilla extract

8 oz

bittersweet or semisweet chocolate, melted

large egg yolks

For the fudge swirl::

1/4 cup

plus 2 tablespoons heavy cream

1 tbsp

unsalted butter

1/4 cup

granulated sugar

2 tbsp

packed light brown sugar

1/2 cup

semisweet chocolate chips

1/8 tsp

fine salt

1/2 tsp

vanilla extract