Please help with these questions<3

Could someone who in familiar with the french lang, look over my translation of a short text i wrote? english text: my main dish is a salad with fish. i am also eating a sandwich and soup. i am drinking water. for dessert, i am eating some cake and a bowl of ice cream. my friend is eating with me. some french foods i like are macarons and the baguette.my french text: mon plat principal est une salade avec le poisson. je suis aussi mangement un sandwich et une soupe. je bois de l'eau. pour dessert je suis mangement du gâteau et une boule de glace. mon amie est mangement avec moi. j'aime macaroons et baguettes.also, how would you say: 'some french foods i like is marcarons and baguettes? ' in french? would it be: quelques français de la nourriture j'aime sont macarons et baguettes.

20pts can anyone me due tomorrow i beg you (￣人￣)

Decide if the following is grammatically correct or incorrect. j’ai été au supermarché.