feat: add Egg Salad Sandwich. Fixes #576.

cook/lunches/Egg Salad Sandwich.cook

@@ -0,0 +1,7 @@
+>> source: https://www.eatingwell.com/recipe/8032579/best-egg-salad-recipe/
+>> total time: 15 minutes
+>> serves: 4
+
+Stir @celery{2%hearts}, @onion or shallot{1/4%cup} and @champagne vinegar{1%Tbsp} together in a #medium bowl{}; let stand at room temperature until the onion is bright red, about ~{5%minutes}.
+
+Add @hard-boiled egg{8} halves to the bowl; mash with a fork until finely crumbled. Add @Greek yogurt{2%Tbsp}, @yellow mustard{1%Tbsp}, @mayonnaise{1%Tbsp}, @dill{1%tsp}, @chives{1%tsp}, @salt{1/4%tsp}, and @pepper{1/4%tsp}; stir until well combined. Garnish with additional dill and chives, if desired.

docs/lunches/egg-salad-sandwich.md

@@ -0,0 +1,47 @@
+---
+comments: true
+tags:
+  - lunch
+---
+# :sandwich: Egg Salad Sandwich
+
+![Egg Salad Sandwich](../assets/images/egg-salad-sandwich.jpg){ loading=lazy }
+
+| :fork_and_knife_with_plate: Serves | :timer_clock: Total Time |
+|:----------------------------------:|:-----------------------: |
+| 4 | 5 minutes |
+
+## :salt: Ingredients
+
+- :leafy_green: 2 hearts celery
+- :onion: 0.25 cup onion or shallot
+- :sake: 1 Tbsp champagne vinegar
+- :egg: 8 hard-boiled egg
+- :microbe: 2 Tbsp Greek yogurt
+- :hotdog: 1 Tbsp yellow mustard
+- :egg: 1 Tbsp mayonnaise
+- :seedling: 1 tsp dill
+- :seedling: 1 tsp chives
+- :salt: 0.25 tsp salt
+- :salt: 0.25 tsp pepper
+
+## :cooking: Cookware
+
+- 1 medium bowl
+
+## :pencil: Instructions
+
+### Step 1
+
+Stir celery, onion or shallot and champagne vinegar together in a medium bowl; let stand at room temperature until the
+onion is bright red, about 5 minutes.
+
+### Step 2
+
+Add hard-boiled egg halves to the bowl; mash with a fork until finely crumbled. Add Greek yogurt, yellow mustard,
+mayonnaise, dill, chives, salt, and pepper; stir until well combined. Garnish with additional dill and chives, if
+desired.
+
+## :link: Source
+
+- <https://www.eatingwell.com/recipe/8032579/best-egg-salad-recipe/>

mkdocs.yml

@@ -537,6 +537,7 @@ nav:
       - Caprese Sandwich: lunches/caprese-sandwich.md
       - Chickpea Sunflower Sandwich: lunches/chickpea-sunflower-sandwich.md
       - Cucumber Sandwich: lunches/cucumber-sandwich.md
+      - Egg Salad Sandwich: lunches/egg-salad-sandwich.md
       - Grilled Tomato Sandwich: lunches/grilled-tomato-sandwich.md
       - Open-Faced Cherry Tomato Ricotta Sandwich: lunches/open-faced-cherry-tomato-ricotta-sandwich.md
       - Perfect Chickpea Salad: lunches/perfect-chickpea-salad.md