Sea Salt Caramel Cookies

Fondant

• 4 oz mini marshmallows
• 1 lime, zest only, no white pith, plus 1 tbsp juice
• 8 oz confectioners sugar
• salt, to taste
• food coloring, desired color
• 35 oz water

Brittle

• 1 oz unsalted butter, cold, in 1 cube (approx. 1 in. x 1 in. x 1 in.)
• 9 oz brown sugar
• 37 ½ oz water, divided
• 1 tsp lemon juice

Cookie Dough

• 4 oz unsalted butter, in pieces
• 4 oz confectioners sugar, plus extra to dust
• 9 ½ oz all-purpose flour
• ¼ tsp sea salt
• ½ tsp almond extract
• 1 tsp vanilla extract
• 1 large egg
• 1 tsp lemon juice