Key Lime Pie in a Jar

graham cracker crumbs (18 crackers, or 2/3 of a sleeve)

+ 2 teaspoons granulated sugar

salt

unsalted butter, melted

– 14-ounce can sweetened condensed milk

lime zest

fresh lime juice (juiced key limes [you will need several], bottled key lime juice, or standard (Persian) limes [about three or four] all work

egg yolks

Whipped cream

Lime wedges for garnish

Also needed

half-pint (8-ounce) mason jars

canning lids and rings

Baking sheet