Step 1: Preheat oven to 350°F (175°C). Line your baking tray with parchment.
Step 2: Mix flaxseed and water in a small bowl. Let it gel like your weekend plans.
Step 3: In another bowl, combine flour, baking soda, and salt.
Step 4: Cream vegan butter, brown sugar, and white sugar in a large bowl until light and fluffy.
Step 5: Add flax egg and vanilla to the creamed mixture. Mix until smooth.
Step 6: Add dry ingredients and stir until a dough forms. Fold in chocolate chips.
Step 7: Scoop dough onto baking sheet in tablespoon-sized mounds. Flatten slightly.
Step 8: Bake for 11–12 minutes or until edges are golden and centers soft. Cool completely.
Step 9: For the pudding, whisk milk, sugar, espresso, and cornstarch in a saucepan over medium heat. Stir until thickened (5–6 minutes).
Step 10: Remove from heat, add vanilla and salt. Chill completely in the fridge.
Step 11: Spread chilled pudding between two cookies. Sandwich and serve like the dessert diva you are.