Mincemeat Apple Galette - Dinner With Julie

Ingredients

• 1 1/4 cups all-purpose flour
• 1/4 tsp salt
• 1/2 cup butter (or lard, or shortening), cold
• 1/4-1/3 cup cold water
• 2-3 tart apples, peeled (or not) and sliced
• 1/4-1/3 cup sugar (or to taste)
• a shake of cinnamon
• 1/2-1 cup mincemeat
• 2 Tbsp butter, in pieces or thin slices
• milk, cream or beaten egg, for brushing (optional)
• coarse sugar, for sprinkling (optional)