Qur'an 23:20

وَشَجَرَةً تَخْرُجُ مِن طُورِ سَيْنَآءَ تَنۢبُتُ بِٱلدُّهْنِ وَصِبْغٍ لِّلْـَٔاكِلِينَ

“And [We brought forth] a tree issuing from Mount Sinai which produces oil and food [i.e., olives] for those who eat.”

Al-Muminoon 23:20 · Saheeh International