The Microwave Cooking for One site is legit useful. You know that thing that happens when microwave food is half frozen? That’s not inherent to the microwave, it’s because most box microwave instructions are for 1100 watts and your microwave is something else. There’s a conversion chart for that!
Microwave Timing Conversion Charts
These charts help you convert cooking times in a recipe to times for your wattage microwave oven.
microwavecookingforone.com
did someone say sadder