Soft and chewy Lunch Lady Peanut Butter Protein Bars but healthy, sugar free and gluten free! These lunch lady peanut butter squares have a peanut butter oatmeal cookie base, peanut butter and chocolate frosting – all high protein.

Hands down the best lunch lady peanut butter bars here; Actually healthy and good treat for that lunch box.

All clean ingredients here and guilt with the good nutrition label.

Ingredients for Lunch Lady Peanut Butter Protein Bars Recipe:

These lunch lady peanut butter protein bars are made with simple healthy ingredients, have no sugar or milk, making them the perfect homemade gluten free, low carb and Vegan protein bar!

Rolled Oats
Oat Flour
Vanilla Protein Powder for healthy homemade protein bars that’s also sugar free
I used HTLT Supps Vanilla Whey-Casein here.
Quest Nutrition Vanilla Milkshake is another option.
Unflavored Protein Powder to replace some of the flour (and carbs) in the recipe for a slightly lower carb high protein. I use the Multi-purpose mix protein powder from Quest Nutrition.
Peanut Butter Powder also known as Powdered Peanut Butter. I recommend Lakanto for a sugar free version (the code HAYLSKITCHEN gives you a discount). Or you could use the one from PbFit too.
Creamy Peanut Butter
Non-fat Plain Greek Yogurt
Unsweetened Applesauce
Unsweetened Almond Milk

The Protein Peanut Butter

Peanut Butter Powder, also known as Powdered Peanut Butter. I recommend Lakanto for a sugar free version (the code HAYLSKITCHEN gives you a discount). Or you could use the one from PbFit too.
Creamy Peanut Butter
Vanilla Protein Powder for high protein caramel bar, and also replace the sweetener.
I recommend Whey-Casein from HTLT Supps or Quest Nutrition for this recipe to keep it sugar free.
Sugar free Maple Syrup for low calorie protein bar with no sugar!
I use the sugar free monk fruit maple syrup from Lakanto (code HAYLSKITCHEN gets you a discount)
Some Water

The Chocolate Protein Frosting Layer

Non-fat Plain Greek Yogurt
Chocolate Protein Powder – I used whey-casein from Quest.
Unsweetened Cocoa Powder

Tips to make Lunch Box Peanut Butter Bars

These healthy lunch box peanut butter bars are extremely easy to make, with just making one layer at a time. Here’s some tips to get them right!

Use rolled oats for the base o these lunch box pb bars; Instant oats will get too soggy.

Use whey-caesin protein powder as specified. It works well with the ratio of ingredients here.
Whey-caesin absorbs more liquid, and whey absorbs less, so you need to adjust the liquid accordingly.

Let the base cool before adding the protein peanut butter layer on these lunch lady bars, or it will melt away.

Add milk or water little at a time when preparing mixtures; Even a little extra will make them too runny.

Mix the dry ingredients well before adding in the wet so you have a smooth mix.

Don’t add too much yogurt in the topping; It will come together; Just continue to mix.

To store High Protein Lunch Lady Peanut Butter Squares

These homemade lunch lady peanut butter squares need to be stored in the fridge since they have Greek yogurt in the chocolate frosting.

To store homemade lunch box peanut butter bars, place in an airtight container in the fridge for up to a 1 week.

To freeze, place lunch lady peanut butter squares in airtight sealed container, or individually wrapped in plastic wrap and placed in zipper bag; They should keep for 2 or 3 months. Be sure to let them thaw on the counter before eating!

Alternatives for Healthy Lunch Lady Peanut Butter Bars with Oatmeal!

I made these sugar free and gluten free and low fat lunch lady peanut butter bars with oatmeal and this particular ingredient list, but here’s some healthy options to choose from.

For the protein base:

Oat Flour: Almond Flour
Unflavored protein powder: Almond flour or Oat flour (also reduce milk to 2 Tbsp)
Peanut Butter Powder: ¼ cup Peanut Butter (also reduce milk to 1-2 Tbsp)
Greek Yogurt: Coconut Yogurt
Applesauce: Mashed Banana or Pumpkin Puree
Almond Milk: Regular milk or other non dairy milk

For the Protein Peanut Butter:

Peanut Butter Powder: 2 Tbsp + 2 tsp regular peanut butterbutter (add water 1 tsp at a time if needed)
Sugar free Maple Syrup: Regular maple syrup or Honey, but they won’t be Vegan or a no sugar recipe anymore.

Chocolate Frosting Options:

Greek Yogurt: Coconut Yogurt

More Homemade Protein Peanut Butter Bars to try!