used an 18 cm / 7-inch cake pan with a removable bottom • squash or pumpkin, sliced to 5mm / 0.2-inch • granulated sugar • (0.7 oz, 1.7 Tbsp) unsalted butter • rum • cinnamon powder • eggs (150g, 5.3 oz, without shell) • (3.2 oz, 7.5 Tbsp) granulated sugar • cake flour or all-purpose flour • ground almonds • squash or pumpkin powder • baking powder •