Repeatedly cooking the same dish increases its mastery level. Higher mastery levels grant permanent bonuses to the coins and XP earned from that specific dish.
If you are using a version with modified currency (Unlimited Coins/Cash), focus your spending on expanding your cafe area first. Space is the biggest bottleneck to progress. Cafeland---World-Kitchen-V2-0-33-MOD-APK--Latest-
Online features like World Club or visiting friends may be restricted or result in a permanent ban if the game’s servers detect modified values. Repeatedly cooking the same dish increases its mastery level
Complete the "Catering Orders" in the yacht area. These are more difficult than standard serving but offer the largest XP chunks in the game. Cafeland---World-Kitchen-V2-0-33-MOD-APK--Latest-