In a large mixing bowl, cream butter and sugar. Add eggs and vanilla until just combined.
Gradually add flour, baking powder and salt.
Press into a greased dish and bake 10-12 minutes.
Notes
Substitutions
Butter - Salted or unsalted butter, whatever you have on hand. If you use salted butter, simply decrease the amount of salt added. The butter should be softened before you make the dough.
Vanilla - Substitute with the extract of your choice including almond, orange or lemon.
To Store
Room Temperature - Cover the cooled crust with plastic wrap or store in an airtight container. It will keep at room temperature 4 to 5 days.
Refrigerate - Place the covered crust in the fridge and it will keep well for up to 8 or 9 days.
Freeze - Wrap the crust and pie dish in foil and place in a freezer bag for up to 3 months. Thaw it in the fridge or at room temperature.
Tips
Baking Dish - You can use any cake, pie, tart or pizza dish, just press to 1/4-1/3" thick and use remaining dough for cookies.