Farmhouse Kitchen Chronicles: Fresh Summer Veggie and Squash Casserole

Instead of a simple sauté, I wanted to turn this solitary squash into something rich, comforting, and bountiful enough to share with dad for supper. By pairing it with sweet corn, garden peppers, juicy tomatoes, and fresh-picked herbs, this humble squash easily stretched into a golden, bubbling farmhouse casserole.

Whether you’re feeding a full table or simply making the most of your mid-summer garden yields, this recipe is a wonderful way to bring those vibrant colors and flavors together under a buttery, crispy cracker crust.

Why You’ll Love This Recipe

• Maximizes the Harvest: Perfect for those days when you have "one of everything" ready in the garden—a single squash, a sweet pepper, a ripe tomato, and a handful of herbs.

• Rich Without Being Heavy: Tangy Greek yogurt and fresh eggs create a creamy, protein-packed custard base that holds everything together without relying on heavy canned soups.

• Make-Ahead Friendly: It bakes up beautifully at home and holds warm effortlessly in a slow cooker, leaving your oven free for roasting crisp, homegrown potatoes on the side.

Farmhouse Summer Veggie & Squash Casserole

• Prep time: 15 minutes

• Bake time: 30–35 minutes

• Yield: 4 to 6 side servings

Ingredients

The Garden Produce:

• 1 medium summer squash, sliced into half-moons

• 1 medium onion, diced

• 1 sweet bell pepper, diced

• 2–3 cloves garlic, minced

• 1 cup sweet corn (fresh off the cob or frozen)

• 1 cup diced tomatoes, thoroughly drained and squeezed dry

• 1 tbsp butter or olive oil (for sautéing)

The Custard & Cheese Base:

• 2 large farm-fresh eggs

• 1/2 cup plain Greek yogurt (full-fat works best for rich texture)

• 1 cup shredded cheese (cheddar or Monterey Jack), divided

• 1–2 tbsp fresh herbs, chopped (basil, thyme, or chives)

• 1/2 tsp sea salt

• 1/4 tsp coarse black pepper

The Golden Topping:

• 3/4 cup crushed butter crackers (like Ritz or saltines)

• 1 tbsp melted butter

Instructions

Step 1: Prep & Preheat

Preheat your oven to 350°F (175°C). Lightly grease a 2-quart baking dish or 8x8-inch pan with butter.

Step 2: Sauté out the Moisture

Squash and tomatoes carry a lot of natural water, so pre-cooking is key to avoiding a watery bake. Heat 1 tablespoon of butter in a wide skillet over medium heat. Add the sliced squash, onion, and bell pepper. Sauté for 5 to 7 minutes until slightly tender and moisture releases. Stir in the minced garlic for the final minute until fragrant. Remove from heat.

Step 3: Whisk the Wet Base

In a mixing bowl, whisk together the 2 eggs, 1/2 cup Greek yogurt, 1/2 cup of the shredded cheese, fresh herbs, salt, and pepper until smooth and creamy.

Step 4: Fold in the Harvest

Gently fold your sautéed squash mixture, drained tomatoes, and sweet corn into the egg and yogurt mixture until every piece is well coated.

Step 5: Top and Bake

Pour the mixture into your prepared baking dish. In a small bowl, toss the crushed crackers with 1 tablespoon of melted butter and the remaining 1/2 cup of shredded cheese. Sprinkle evenly over the top.

Bake uncovered at 350°F for 30 to 35 minutes, until the edges are bubbling, the center is set, and the cracker crust turns a deep, golden brown.

Homesteader’s Tip: Let the casserole rest for 5 to 10 minutes after pulling it from the oven. This gives the egg base time to fully set, making serving neat and easy!

Serving Ideas

This summer bake pairs delightfully with crisp roasted potatoes and rich main courses like grilled pork chops or roasted chicken.

Homegrown • Summer Harvest • Squash Casserole • Garden To Table • Homestead Recipes • Seasonal Side Dish • Farmhouse Cooking • Easy Casserole • Fresh Vegetables

For a printable pdf of recipe click here.

What are your favorite ways to use up the late-summer squash harvest? Let me know in the comments below!