Step 1

Freeze the canister of an ice cream maker overnight.

Step 2

Place the yolks, sugar, and salt in a medium heat-safe bowl and whisk to combine.

Step 3

Place the milk, cream, and espresso powder in a medium pot and cook over medium-low heat until small bubbles appear around the edges and the liquid is steaming.

Step 4

In a thin, slow stream, pour the hot cream mixture into the yolk mixture while whisking.

Step 5

Transfer the custard back to the pot and cook on low heat (whisking) until slightly thickened.

Step 6

Remove from the heat and stir in the vanilla. Chill the mixture overnight in the refrigerator.

Step 7

Place the chilled ice cream base in the prepared ice cream maker, and churn according to the manufacturer's directions.

Step 8

Layer the ice cream in a loaf pan, sprinkling in the donuts as you go along.

Step 9

Freeze until hard.