01 - Line a large baking sheet with parchment paper or silicone baking mat.
02 - In a large bowl, combine Rice Krispies cereal, mini marshmallows, and pecans. Set aside.
03 - In a medium saucepan over medium heat, melt butter. Add brown sugar, brewed coffee, espresso powder, and salt. Stir constantly until smooth and just begins to bubble, about 2-3 minutes. Remove from heat and stir in vanilla extract.
04 - Pour hot coffee mixture over Rice Krispies mixture. Quickly stir with spatula until evenly coated.
05 - Using cookie scoop or tablespoon, drop mounds onto prepared baking sheet. Press gently to shape if needed.
06 - Melt chocolate chips with coconut oil in microwave-safe bowl in 20-second increments, stirring until smooth. Drizzle over cookies.
07 - Chill cookies in refrigerator for at least 30 minutes to set. Store in airtight container in fridge for up to 1 week.