In a lidded container or mason jar, combine rolled oats, preferred milk, instant coffee, sweetener, vanilla extract, and salt. Toss in protein powder if desired.

Secure the lid tightly and shake vigorously for about 30 seconds until mixed.

Refrigerate for at least 6-8 hours to allow the oats to soften.

In the morning, stir the mixture and top with yogurt.

Dust with cocoa powder and add optional toppings as desired.