I discovered the beauty of frittatas during my early years of hosting Shabbat morning brunches. Unlike scrambled eggs that need constant attention or omelets that require perfect timing, a frittata lets you combine all your ingredients in one pan and relax while the oven does the work. It's become my go-to when I want something impressive but not stressful. This vegetable and cheese version hits all the right notes for a kosher kitchen. I use a combination of bell peppers, zucchini, and onions because they hold their shape well and don't release too much water during cooking. The key is getting your vegetables tender but not soggy before adding the eggs. I learned this the hard way after a few watery disasters in my early cooking days. What makes this frittata work so well is the technique of starting it on the stovetop and finishing in the oven. You get a nicely set bottom that won't stick to the pan, while the oven ensures even cooking throughout. I use a cast iron skillet when I have it, but any oven-safe pan works fine. The cheese melts perfectly into the eggs without overwhelming the vegetables. This frittata works beautifully for weekend brunches, holiday mornings, or even a light dinner with a simple salad. I've served it alongside fresh fruit, bagels with cream cheese, or roasted potatoes. It's also fantastic at room temperature, which makes it perfect for buffet-style meals or picnics. Leftovers keep well in the fridge for up to three days and taste great cold or gently reheated.