If using alcohol, soak chopped fruits in brandy or rum for at least 2 hours or overnight
Whisk dry ingredients (flour, baking powder, baking soda, salt, cinnamon, nutmeg, cloves) in a bowl; set aside
Cream butter and brown sugar until light and fluffy
Beat in eggs one at a time, then stir in orange juice and vanilla
Gradually fold in dry ingredients until just combined
Gently fold in fruits and nuts evenly
Grease and line a 9-inch pan; pour in batter and smooth top
Preheat oven to 325°F (160°C) and bake 2–2½ hours until a toothpick comes out clean; cover with foil if browning too fast
Cool 10–15 minutes in pan, then transfer to wire rack
Brush top with warmed apricot jam if desired