Instead of pouring high-sugar fruits, honey, and milk into a blender, keto smoothies are loaded with protein, healthy fats, and minimal carbs. … Below, you’ll find 17 keto smoothie recipes … Keto Smoothie Recipe Avocado Smoothie Recipe. Low Carb Smoothies [Keto, Sugar-Free] Smoothies can be a great way to pack in nutrient-dense ingredients, but they are often full of sugar and carbohydrates. Are smoothies OK on a ketogenic diet? While most smoothie recipes are loaded with sugar, a keto smoothie is much different.