How can i improve my cooking and baking?

Follow the directions exactly, especially when baking.
Have good tools. Make sure your knives are sharp, your pots are in decent shape and get an oven thermometer. Know your oven, the back left may be hotter than the front right. The whole oven could run 10 degrees off. You won't know if you don't use a thermometer.
Practice and tweak. Make the same dish a few times and alter ingredients and cooking time to perfect it. Think about what went wrong and what you can do about it. Realize that weather can effect the turnout of your food, especially candies and baked goods.
Don't over complicate it and start off with easy dishes and progress to harder things when your ready.
 
My mom is an excellent cook. She would just say to keep practicing. You might get better answers if you elaborate more. What dishes did you try to cook? What specifically went wrong?

I probably can't answer them because I leave the cooking to my mom, but people who read your question who cook the same things will be able to help you.
 
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