Spread the mayonnaise on each lettuce leaf evenly.
Layer each slice of bacon on a lettuce leaf.
Divide diced tomato over bacon evenly.
A Note on Nutrition Facts: I am not a nutritional expert or medical professional. Nutritional information for my recipes are provided as a courtesy and are only an approximation. I cannot guarantee the accuracy of any nutritional information provided for any recipe on this site. Erythritol and monk fruit carbs are not included in the nutritional information as they have been shown to have a low impact on blood sugar. Those with Diabetes or other health-related issues may need to calculate net carbs differently. If you need help managing or calculating carbs, ask your doctor or dietician for guidance. Net carbs provided are the total carbs less fiber and sugar alcohols. For the most accurate nutritional information, please calculate with your own specific ingredients using a program like Carb Manager or My Fitness Pal.