Preheat oven to 400°F.
Lay bacon on lined baking sheet and bake for 16 min.
Let bacon cool for 5 min then finely chop. Set aside.
Mix flour, cold cubed butter, honey and bacon until it resembles cornmeal. Gradually add cold sparkling water. Form into a disc, wrap in plastic wrap and put in refrigerator for 1-2 hours.
After dough has rested, roll out to ¼” thickness and place in 9” pie dish, crimping the edges.
Whisk all ingredients for custard together and pour into pie shell.
Bake at 400°F for 10 minutes. Reduce heat to 350°F and bake for 40 minutes. Reduce heat to 325°F and bake for 10 minutes. Let cool completely before cutting.