No no no no NO!
All the Eat More foods are wonderful, but most of the Eat Less foods are as well! The majority of this stuff is based on old wives’ tales with no legitimate research to support it.
The flavors from strong herbs and spices are highly present in breastmilk and is beneficial, not contraindicated. Capsaicin passes into milk and can cause rash, but shouldn’t be terribly harmful in moderate amounts. A variety of flavors in breastmilk has been shown to produce less picky kids (because their food has always tasted different from the beginning), and spices like cayenne is a natural anti-inflammatory that is very beneficial to parents that experience breast engorgement.
The flavor of garlic is also present in breastmilk, and most babies love it. In fact I encourage all lactating parents to up their garlic intake if they like it, as it seems to help the appetites of slow-to-nurse babies. Garlic is also anti-inflammatory, anti-microbial, anti-fungal, and anti-viral when eaten raw; it’s almost always on my plans of care for parents experiencing clinical issues with their nipples or breasts (mastitis, thrush, etc).
Strawberries are fine. Tomatoes are usually fine. I have no clue where the lettuce thing comes from, but it’s fine.
What is strangely absent here, which makes me question the legitimacy of the whole thing, is DAIRY. The #1 dietary issue with breastfeeding is cow’s milk protein. Many babies are sensitive to it as well as soy (which makes me wonder why tofu is on the “Eat More” list?), and I almost always recommend cutting back on dairy and soy if a baby seems fussy or appears to have a food sensitivity.
A parent with a family history of peanut and tree nut allergies should avoid these foods while breastfeeding until they are sure the baby has no allergy.
After that, please eat what you wish. And of course, if you suspect your baby is sensitive to certain foods, avoid them! Babies are unique… there’s no all-encompassing “do not eat” list.