Preheat and Prep the Pan: Heat the oven to 350°F. Spray a 9x13-inch baking dish with nonstick spray and set aside.
Nonstick spray
Blend the Creamy Base: In a blender or mixer, blend the cream cheese, sour cream, garlic, hot sauce, lime juice, and 1 cup of the pepper jack until smooth, scraping down the sides if needed.
16 oz cream cheese, 1/2 cup sour cream, 2 garlic cloves, 2 tablespoons hot sauce, 2 tablespoons fresh lime juice, 2 cups freshly shredded pepper jack cheese
Stir in the Mix-Ins: Scoop the mixture into a large bowl. Stir in the remaining 1 cup pepper jack, the corn, feta, jalapeño, red onion, and cilantro until evenly combined.
30 oz canned corn, 4 oz feta cheese or Cotija, 1 jalapeño, 2 tablespoons chopped red onion, 1/2 cup chopped fresh cilantro
Bake Until Bubbling: Spread the dip into the prepared baking dish. Bake for 15–20 minutes, until hot and bubbly and lightly golden around the edges.
Garnish and Serve: Top with extra cilantro, feta, and a drizzle of hot sauce if you want. Serve warm with tortilla chips.