Herby Dutch Toddler With Smoked Salmon Recipe

½

small pink onion, thinly sliced

1

lemon, halved

¾

tsp. Diamond Crystal or ½ tsp. Morton kosher salt, plus extra

4

substantial eggs, room temperature

1

huge egg white, space temperature

2

garlic cloves, finely grated

1

(packed) cup baby spinach

⅔

cup entire milk, place temperature

1

cup tender herb leaves (these as dill, cilantro, basil, and/or parsley), plus further for serving

⅔

cup (83 g) all-objective flour

2

Tbsp. cornstarch

Freshly floor black pepper

2

Tbsp. unsalted butter, reduce into components

4

oz. smoked salmon