It can be difficult to control your blood sugars during the holiday season, with high-carb foods everywhere. Whether you are diabetic or on the keto diet, stick to these 3 easy rules. 1: Only choose foods that are low-carb - don't eat sugary desserts, lots of bread, green beans, and mashed potatoes. 2: Portion control - don't go back for seconds. 3: Fill up on protein such as turkey, bacon, and sausages.