Hearty John Wayne Casserole with Bisquick, Beef, and Peppers - My Home Made Recipe

Ingredients

• 2 cups (240 g) Bisquick baking mix
• 3/4 cup (180 ml) cold water
• Nonstick cooking spray or 1 teaspoon oil, for the dish
• 2 lb (900 g) lean ground beef
• 1 packet (1 oz or 28 g) taco seasoning
• 1/2 cup (120 ml) water
• 1 medium yellow onion, diced
• 1 green bell pepper, thinly sliced
• 1 red or orange bell pepper, thinly sliced
• 1 can (10 oz or 285 g) diced tomatoes with green chiles, well drained
• 1 can (4 oz or 115 g) diced green chiles, drained
• 1/3 cup (55 g) sliced pepperoncini or pickled jalapenos, drained, optional
• 1/2 cup (120 g) sour cream
• 1/2 cup (115 g) mayonnaise
• 2 cups (225 g) shredded cheddar or Mexican blend cheese, divided
• 2 Roma tomatoes, thinly sliced and patted dry
• 2 tablespoons chopped cilantro or green onion, optional