Miele’s Combi-Steam oven ($3,695) combines steam and convection in one device, as the company’s previous models have done, but it comes with a 40 percent larger interior, to cook more food. The new oven, which Miele introduced in March, also enables cooks to adjust the cooking method (baking, steaming, or both), temperature, and moisture level with custom settings or choose from more than 100 automated settings for meats, vegetables, and breads and pastries. The oven’s most impressive capabilities reportedly i…