Orange Layer Cake

Ingredients

• 2/3 cup sugar
• 3 tbs. all-purpose flour
• 1 cup fresh orange juice (from about 3 large or 4 medium oranges), without pulp
• 2 large egg yolks
• 2 tbs. salted butter
• 2-1/4 cups (101/8 oz.) all-purpose flour
• 2-1/2 tsp. baking powder
• 1 tsp. salt
• 1/3 cup salted butter
• 1/3 cup vegetable shortening
• 2 tsp. grated orange zest (from about 1 large orange)
• 1-1/2 cups sugar
• 3 large eggs
• 1 cup fresh orange juice (from about 3 large or 4 medium oranges), without pulp
• 6 oz. (12 tbs. ) salted butter, at room temperature
• 4-1/2 cups (about 18 oz.) confectioners’ sugar
• dash salt
• 1 tsp. grated orange zest
• 5 tbs. fresh orange juice
• 1 or 2 small oranges, sliced thinly, slices cut halfway through on one side, laid on paper towels to drain
• 7 or 8 sprigs fresh mint (pick pairs of leaves)