I love to rush to pray but I stammer in takbiratul ehram sura fateha and 2nd sura. With difficulty I start Salah and it's really hard when there is no jamaat

Is there a cure , any specific foods duas etc.

I recommend the following:

1- When you start your Salat, take your right index finger and push it against your left thigh and say:

بِسْمِ اللَّهِ وَ بِاللَّهِ ، تَوَكَّلْتُ عَلَى اللَّهِ ، أَعُوذُ بِاللَّهِ السَّمِيعِ الْعَلِيمِ مِنَ الشَّيْطَانِ الرَّجِيمِ

2- Observe some of these tips that we discuss about concentration in prayer: