Chicken Thighs with Lemon Sauce - Cooking like a Boss

Recipe from https://recipes.anovaculinary.com/recipe/sous-vide-chicken-thighs-with-lemon-sauce/ .

2 ¹⁄₃tbsp 0.035l 35ml 7tsp 0.148cup 0.062pint olive oil	heat in skillet on med-high				sear until well browned		serve
2 ¹⁄₃tbsp 0.035l 35ml 7tsp 0.148cup 0.062pint butter for searing
2100g 2.1kg 4.63lb 74.1oz chicken thighs	season	vac bag	sous vide 74degC for 2h	pat dry
salt for chicken
pepper for chicken
2 ¹⁄₃tbsp 0.035l 35ml 7tsp 0.148cup 0.062pint butter for chicken
2 ¹⁄₃ onion	chop finely	brown	simmer until thick glaze	remove from heat	whisk in slowly	season to taste
2 ¹⁄₃tsp 0.012l 11 ²⁄₃ml 0.778tbsp 0.049cup 0.021pint butter for onion
548 ¹⁄₃ml 0.548l 36.6tbsp 109 ²⁄₃tsp 2.32cup 0.965pint beef stock
151 ²⁄₃ml 0.152l 10.1tbsp 30 ¹⁄₃tsp 0.641cup 0.267pint lemon juice	whisk
4 ²⁄₃ egg yolks