Obviously, the price of eggs is fluctuating wildly during the Avian flu crisis.
I used a price of $1.99 per dozen, based on a Kroger deal they have run multiple times for loyalty card members. They are regularly priced at $3.99 as of this writing (January 2024). At that price, this lunch would be $1.61.
I used mayo (frequently on BOGO at Publix), pickle relish, a tomato slice, a $1.99 bag of baby carrots, and on-sale bread at 4¢ a slice. I priced milk at $2.49/gallon (Target).
Stuffed Tomato
If you want to ditch the bread and stuff a tomato, my price for this was $1.63. I priced the tomato at $1.00. If you grow your own, this is only 63¢.
Add carrots and a glass of milk and this lunch is $2.07.