Good-quality butter has a higher fat content than low-quality butter which contains more water. Flaky pastries need a lot of butter fat to achieve a light delicate texture. When making puff pastry dough sheets or a u003cstrongu003eu003ca href=u0022https://www.confettiandbliss.com/homemade-pie-crust/u0022u003ehomemade pie crustu003c/au003eu003c/strongu003e, reach for a good-quality butter from a brand you trust. For me, it's Kirkland brand butter from Costco. I don't use an expensive European-style butter for pastry, as it's not necessary.