Preheat oven to 325 degrees Fahrenheit and line a rimmed baking sheet with parchment paper or foil.
Make the za'atar:
In a small bowl, combine the sumac, sesame seeds, thyme, oregano and salt.
(Alternately, substitute 3 tablespoons prepared za'atar blend and omit this step.)
Set aside.
In a medium bowl, combine almonds with olive oil, rosemary and za'atar blend and toss until well coated.
Spread the almonds evenly on a baking sheet.
Roast in oven for 10 minutes..
Remove the baking sheet from oven and give the almonds a quick stir.
Return sheet to oven and roast until almonds are golden, about 10 minutes
Let the almonds cool and they are ready to serve!