Key Lime Pie with Chocolate-Almond Crust

INGREDIENTS

6 tbsp

unsalted butter, melted, plus more for greasing

1 cup

chocolate graham cracker crumbs (from 9 whole crackers)

1/2 cup

finely ground almonds

1/3 cup

sugar

1 1/4 cups

fresh lime juice, preferably key lime juice (from 25 key limes)

1 tsp

finely grated lime zest

2 14 ounce cans

sweetened condensed milk

large eggs at room temperature, lightly beaten

1/2 cup

cold heavy cream

1/2 cup

cold sour cream

2 tsp

sugar

Key lime slices, for garnish (optional)