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@@ -14,8 +14,8 @@
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\newcommand\threequarters{\nicefrac{3}{4}}
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\newcommand\recipe@ingredient[2]{#1 & #2 \\}
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-\newcommand\recipe@serving[1]{\ifempty{#1}{}{\textit{#1 servings}}}
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-\newcommand\recipe@contributor[1]{\ifempty{#1}{}{Courtesy of #1}}
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+\newcommand\recipe@serving[1]{\ifblank{#1}{}{\textit{#1 servings}}}
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+\newcommand\recipe@contributor[1]{\ifblank{#1}{}{Courtesy of #1}}
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\newenvironment{recipe}[3]{%
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\bigskip%
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