I bought a 6 year old house, and the Previous Owners did basically zero maintenance. The oven is a Bosch underbench electric unit, and it looks like the glass cap/protector for the interior light
repair - How to remove broken light protector/cover from inside oven? - Home Improvement Stack Exchange
Light Bulb Base Repair Steps (with Pictures) Instructables, 46% OFF
How To Remove Stuck Oven Light Bulb
repair - How to remove broken light protector/cover from inside oven? - Home Improvement Stack Exchange
How to remove a broken lightbulb base
Removing a broken oven bulb
Maytag 2-cu ft 1000-Watt Over-the-Range Microwave with Sensor Cooking (White) in the Over-the-Range Microwaves department at
how do I take off cover to replace my lightbulb in the oven? : r/fixit
light fixture - Ceramic ring installed wrong and now jammed - Home Improvement Stack Exchange
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Removing a broken oven bulb