Since no one else has mentioned it, are you sure that nested hashes are appropriate here? In particular, you seem to have a hash mapping consecutive small integers to values. You might consider using an array for that instead. Something like

my %Recipes = (
"YumYumStuff" => {
         ingredients => [
            "1 Pate a Bombe",
            "1/2 French Meringue",
            "300ml double cream",
            "3 very ripe bananas",
            "2 tablespoons Creme de Banane",
            "1 Bitter Chocolate Sorbet",
         ], 
         instructions => [
         "Whisk together the pate a bombe and the French Meringue mixt
+ures.  They should be roughly equal in amounts by volume.",
         "Lightly whip the cream to the same consistency as the pate d
+e bombe and French Meringue mixture then mix both mixtures together",
         "Finally, whisk in the banana puree and liquer.  Pour or pipe
+ into ramekins, a long loaf tin or a large freezer container. ",
         "About 30 mins before serving, transfer the parfait from the 
+freezer to the refrigerator",
     ],
     }
);
                    
                                    
for $recipe (keys %Recipes) {
    print "For $recipe the ingredients are :\n";
            $ref = $Recipes{$recipe}{ingredients};
            my $i;
            print map ++$i." = $_\n",  @$ref;
}
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