Where can I find Tri-grain toast in Heist?

Tri-grain toast can also be found in these cities:

Barmstedt Elmshorn Guderhandviertel Halstenbek Hamburg Horneburg Horst Moorrege Neuendorf bei Elmshorn Oersdorf bei Neumünster Pinneberg Quickborn Schenefeld Schülp b. Rendsburg Stade Wedel

You can also find this in Heist:

Baking Mixtures Spreads Savory Food For Diabetics Filter Coffee Toothbrushes For Children Ladyshaver Eye Cosmetics Contact Lenses Vitamin A+D Kidney Tea