McLaren's Shortbread Share: Restaurants McLaren's Shortbread Visit Website 27452 Jefferson Ave B-1 Temecula, CA 92590 916-871-8963 Visit McLaren's Shortbread Facebook Hours: Call for product pickup. Not a retail storefront. About Map About McLaren's is a gourmet specialty foods company, featuring hand made Scottish Shortbread, Ginger Molasses Cookies, Jams, & Lemon Curd. The Shortbread recipe goes back 5 generations to Glasgow, Scotland What's Nearby? Distance: 5 10 15 20 25 50 mi.