cola-mix Archives • The Kitchen Maus cola-mix. Homemade Spezi (Cola + Orange) October 30, 2014 by The Kitchen Maus 18 Comments. If you've ever spent any time in Southern Germany and are a soda drinker, you've likely had the pleasure of trying a Bavarian soda specialty called Spezi. I say pleasure because I've never really run into anyone that didn't like it once they've ...