Heat oven to 325 degrees and line a 9-by-9-inch baking pan with enough parchment to hang over two of the sides (to be used as handles later to lift the bars out of the pan).
To make the shortbread base, pulse together the flour, granulated sugar, confectioners’ sugar, lime zest and salt in a food processor, or whisk together in a large bowl. Add butter and pulse (or use two knives or your fingers) to cut the butter into the flour until a crumbly dough forms. Press dough into prepared pan and bake until shortbread is pale golden all over, 30 to 35 minutes.
Make the Curd: Grate 1/2 tablespoon zest from limes and set aside. Squeeze limes to yield 3/4 cup juice.
In a small, stainless steel saucepan, whisk together lime juice, sugar, eggs and yolks, cornstarch and fine sea salt over medium heat until boiling and thickened, 2 to 5 minutes. Make sure mixture comes to a boil or the cornstarch won’t activate. But once it boils do not cook for longer than 1 minute or you risk the curd thinning out again. Remove from heat and strain into a bowl. Whisk in butter, olive oil and lime zest.
When the shortbread is ready, take it out of the oven and carefully pour the lemon curd onto the shortbread base; return the pan to the oven. Bake until topping is just set, 10 to 15 minutes more. Allow to cool to room temperature, then refrigerate until cold before cutting into bars. Sprinkle with confectioners’ sugar and flaky sea salt right before serving.
Position rack to the middle position and preheat the oven to 350 degrees Fahrenheit. Generously oil and flour a 9-by-5-inch loaf pan.
In a medium bowl, whisk together both flours, baking soda, salt, cinnamon, nutmeg, and ginger.
In a large bowl, whisk together the pumpkin puree and olive oil until well combined. Add in the espresso powder and both sugars and whisk until combined. Whisk in the eggs, one at a time, until combined, and then the vanilla. Add in the water and mix until combined. Stir in the chopped chocolate.
Fold the dry ingredients into the wet ingredients, just until combined. Be careful not to over mix. Pour the batter into the prepared pan and smooth out the top. Bake until a toothpick can be inserted and come out clean, about 65 to 85 minutes. (mine took 80 minutes)
Transfer the loaf pan to a wire rack, and allow the cake to cool in the pan for about 15 minutes. Turn out the loaf onto the wire rack and cool completely.
The bread can be stored tightly wrapped at room temperature for up to 2 days, or frozen for 1 month.
Recipe from Lucero, Adapted from Portugese Girl Cooks.