Dreaming about an oven or microwave tells you a connection with your feminine energy, creativity, expression, nurturing qualities and desires (your most pure and true feelings, your heart, your source, your base). Note that what you are baking, cooking is what you are working on on a soul level - these kinds of dreams are about becoming aware of the fact that you are in a developmental process.
You are, as it were, the oven, microwave and also that which you cook or bake; this indicates your waking existence and dream world dreams that are expressed and/or are in the development phase!
Another important explanation is that an oven or microwave is about the life experience process, soul process and/or successful inner and outer plans. What you bake or cook is a reference to what you experience in your daily life, what you want and what you have to do and so on. Look closely at what you are baking or cooking in the oven. It tells you a lot about the status of your plans and wishes, dreams and/or you have the feeling that it will eventually be successful and so on.
Dreaming about baking or cooking in an oven tells you that you can expect a fruitful period in your life. You are hard and creative looking for solutions, you work hard on your dreams, wishes and ideas to realize or achieve this. Another explanation is that it is a healthy and spiritual life plan that you will enjoy for a long time.
If the baking or cooking failed in your dream or vision, it is telling you that wishes, dreams, ideas or projects have not yet received sufficient attention, that you still need to work on them. It may also be that you do not have sufficient knowledge, wisdom, insights, so that it is not fruitful.
Another explanation is that you have the feeling that things are not going to work out in life and/or the situation you are in. Another explanation is that you have overlooked something that is ultimately important for the outcome.
Can you look through the window of the oven or microwave tells you that you want insight, want to express yourself and want to step outside or in to find yourself or show yourself to the world. Pay close attention to what you are cooking or baking this will give you a good insight into the fruitful renewal or fruitful life experience (successful plans, wishes and dreams).