\documentclass[a4paper, 12pt, twoside, toc=flat, toc=sectionentrywithdots, BCOR=1cm]{scrartcl}
\usepackage[utf8]{inputenc}
\usepackage[german]{babel}	% Silbentrennung

\usepackage{mdframed}
\usepackage{anyfontsize}
\usepackage{adjustbox}
\usepackage{graphicx}
\usepackage{siunitx}
\usepackage{tikzsymbols}
\usepackage{paralist}
\usepackage{imakeidx}
\usepackage{fontawesome}
\usepackage{cookingsymbols}

% Schusterjungen und Hurenkinder unterdrücken
\widowpenalty = 10000
\displaywidowpenalty = 10000
\clubpenalty = 10000

\addtokomafont{section}{\normalfont \Huge \bfseries}{\sffamily}
\addtokomafont{subsection}{\normalfont \Large \bfseries}{\sffamily}

\let\labelitemi\labelitemii


% Indices
\makeindex[title=Index: Hauptzutaten,columns=1, intoc]
\makeindex[name=formen, title=Index: Formen und Plätzchenarten, columns=1, intoc]
\makeindex[name=specials, title=Index: Besonderheiten, columns=1, intoc]

\begin{document}

\include{title}

\setkomafont{sectionentry}{\rmfamily}
\tableofcontents

\include{introduction}

\include{rezepte}

\printindex
\printindex[formen]
\printindex[specials]

\end{document}