Qu'est-ce que tu a mangé pour ton/ta/tes déjeuner? the ton/ta/tes refers to the masculine/feminine/plural context to who the question is asked
Pack lunch in French is: panier repas
le déjeuner
French lunch breaks are one hour long.
dejeuner
The phrase "after we eat lunch" directly translated to French is "après nous déjeunons"
French bread, yourself
Lunch is properly called "le déjeuner" (masculine noun) in French. That can be confusing as the breakfast is "le petit déjeuner" (literally the small lunch).
French baguettes with a side of French fries
dejéuner
déjeuner
Coffee
Food!