First, peel and devein the shrimp, rinse, pat dry and set aside.
Prep the additional ingredients by roughly chopping the chives and dill. Then, small dice the celery and measure out the garlic, mayo and lemon wedges.
In a large skillet on medium/high heat add one tablespoon of butter and begin browning the tops and bottoms of mini rolls until warm, buttery and charred. Set aside and wipe the pan clean using a paper towel.
In the same pot add one tablespoon of butter and garlic and allow ingredients to heat up and melt. Add in shrimp and at the same time, add cajun seasoning and stir until shrimp become charred and cooked through.
Squeeze one wedge of lime over the shrimp, remove from heat and set aside to cool.
After the shrimp have cooled, slice the shrimp into small bite-sized pieces and place in a medium sized bowl.
Add in the diced celery, dill, chives, mayo and lemon juice and stir until thoroughly combined.
Plate the rolls by taking the buttered and charred rolls and place the cleaned and prepared lettuce on the bottom of the roll.
Add about two to three tablespoons of the shrimp filling and cover with the top bun. Repeat this step until there's no more shrimp filling. Serve and enjoy!