Spinach & Artichoke Puff Pastry Pinwheels

package spinach (thawed and excess water squeezed out)

jars of marinated artichoke hearts (2- 6oz jars, drained)

cream cheese (half a block at room temperature)

garlic

Gruyere cheese (shredded (sub your favorite cheese))

package of puff pastry (thawed (should contain 2 portions))

water for brushing

egg (beaten)