Lemon Curd

0 Combine eggs, maple syrup, lemon zest, lemon juice, and salt. Whisk to combine. Place over medium heat and stir consistently until mixture thickens, about 5 minutes. 
1 Remove from the heat and add the butter. Let it sit for a minute, then whisk it in. 
2 Press mixture through a fine mesh strainer over a bowl. Cool and then store in the fridge. Makes about 1 1/2 cups.