Golden Sunrise Vegan Breakfast Casserole

Mary Jackson

This make-ahead breakfast casserole layers a crispy hash brown base with sautéed vegetables and a tofu-chickpea custard seasoned with kala namak, smoked paprika, and turmeric. The kala namak gives the custard an egg-like aroma, and the turmeric adds a warm golden color. Assembly takes about 20 minutes, with roughly 50 minutes of bake time — ideal for feeding a crowd at brunch.

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Prep Time 25

Cook Time 1 3

Total Time 1 28

Course Breakfast

Cuisine American

Servings squares

Calories 305 kcal

Equipment

9x13-inch baking dish
Large skillet
Blender or food processor
Mixing bowls
Whisk
Silicone spatula
Chef's knife
Cutting board
Measuring cups and spoons
Oven mitts

Ingredients

For the Pan Prep & Hash Brown Base:

1 teaspoon neutral oil for greasing the baking dish; avocado or grapeseed oil preferred
3 cups frozen shredded hash browns, thawed and squeezed dry look for minimal-ingredient brands; thaw fully and press out moisture for crisp edges
1 tablespoon extra-virgin olive oil tossed with hash browns for better browning
½ teaspoon fine sea salt season the base
¼ teaspoon freshly ground black pepper

For the Sautéed Vegetables:

1 tablespoon extra-virgin olive oil for sautéing
1 medium yellow onion, diced (about 1 cup) sweet onion works too
1 medium red bell pepper, diced (about 1 cup) choose a firm, glossy pepper
8 ounces cremini mushrooms, sliced wipe clean; avoid rinsing to prevent sogginess
3 cloves garlic, minced freshly minced for best aroma
3 cups baby spinach, roughly chopped kale or chard can substitute; remove tough stems
½ teaspoon smoked paprika adds subtle smokiness to the veg

For the Silky Vegan "Egg" Custard:

16 ounces silken tofu (extra-firm silken preferred), drained Mori-Nu or similar shelf-stable brands blend very smooth
1 cup unsweetened plant milk soy or almond for neutral flavor
½ cup chickpea flour (besan) Bob’s Red Mill works well; sift if clumpy
2 tablespoons nutritional yeast for gentle umami-cheesy depth
1 tablespoon cornstarch or arrowroot, for a clean slice
¾ teaspoon kala namak (black salt) start here; adjust to taste for eggy aroma
½ teaspoon ground turmeric for golden color
1 teaspoon baking powder helps lift and set
1 teaspoon Dijon mustard balances richness
1 teaspoon onion powder rounds out savoriness
¾ teaspoon fine sea salt for the custard
½ teaspoon freshly ground black pepper

To Assemble & Finish:

½ cup vegan cheddar shreds (optional) look for well-melting brands like Violife or Follow Your Heart
2 tablespoons fresh chives, finely chopped for garnish
½ cup cherry tomatoes, halved for garnish; choose firm, sweet tomatoes
2-3 tablespoons hot sauce or to taste, for serving

Instructions

Preheat the Oven: Position a rack in the center and preheat to 375°F (190°C). Lightly grease a 9x13-inch baking dish with 1 teaspoon neutral oil.
Build and Par-Bake the Hash Brown Base (20 minutes): In a bowl, toss thawed, well-squeezed hash browns with 1 tablespoon olive oil, 1/2 teaspoon salt, and 1/4 teaspoon pepper. Press firmly and evenly into the prepared dish, pushing some potatoes up the sides for a shallow crust. Bake at 375°F (190°C) for 20 minutes until the edges are lightly golden and the surface feels dry to the touch.
Sauté the Vegetables (7–8 minutes): While the base par-bakes, heat 1 tablespoon olive oil in a large skillet over medium heat. Add diced onion and bell pepper; cook 3–4 minutes until translucent and aromatic. Add sliced mushrooms and cook 3–4 minutes more until their moisture evaporates and they begin to brown. Stir in garlic and smoked paprika; cook 30 seconds until fragrant. Fold in chopped spinach just until wilted, about 30–60 seconds. Season to taste and remove from heat.
Blend the Silky Custard (45–60 seconds): In a blender, combine silken tofu, plant milk, chickpea flour, nutritional yeast, cornstarch, kala namak, turmeric, baking powder, Dijon, onion powder, salt, and pepper. Blend on high until completely smooth and airy, 45–60 seconds. The mixture should be pourable and silky with a pale golden color. If you don’t have a blender, whisk vigorously or use a food processor; the texture will be slightly less airy but still sets beautifully.
Assemble: Scatter the sautéed vegetables evenly over the par-baked hash brown base. If using, sprinkle vegan cheddar shreds over the vegetables. Pour the custard over the top, tilting or tapping the dish to level. Run a spatula through the mixture once or twice to release any large air pockets.
Bake (35 minutes): Return the dish to the oven and bake at 375°F (190°C) for 35 minutes, until the center is set, the edges are slightly puffed, and the top is gently golden. A toothpick inserted near the center should come out mostly clean with a few tender crumbs.
Rest, Garnish, and Serve: Let the casserole rest for 10 minutes to set for clean slices. Garnish with chives and cherry tomatoes. Serve warm with hot sauce on the side.

Notes

Mary’s Tips:

Crispier Base: Squeeze hash browns thoroughly in a clean kitchen towel to remove excess moisture. A drier base = a crisper edge.
Eggy Aroma Control: Kala namak varies by brand; start with 3/4 teaspoon and add a pinch more after tasting the blended custard if desired.
Cheese Melt: For the best gooey melt, choose shreds formulated for melting (Violife, Follow Your Heart). Sprinkle halfway through baking to keep them supple.
Flavor Boosters: Add 1/2 teaspoon garlic powder to the custard or 1 teaspoon finely chopped rosemary or thyme to the vegetables for a herbaceous note.
Soy-Free Variation: Replace tofu and soy milk with a chickpea batter: whisk 1 1/4 cups chickpea flour with 1 3/4 cups unsweetened oat milk, 2 tablespoons olive oil, 1 teaspoon baking powder, 2 tablespoons nutritional yeast, 1 teaspoon onion powder, 1/2 teaspoon turmeric, 3/4 teaspoon salt, and 1/2 teaspoon pepper. Bake the assembled casserole 40–45 minutes.
Batching for Crowds: Double the recipe in a deep roasting pan; add 5–10 extra minutes to the final bake.
No Blender? Use a food processor or whisk vigorously and then strain through a fine-mesh sieve for extra smoothness.

Serving Suggestions:

Plate generous squares on warm plates. Garnish with a scatter of chives and bright cherry tomatoes for contrast—a golden top against emerald flecks and ruby halves. Add a spoon of dairy-free sour cream and a squeeze of hot sauce. Pair with a simple arugula salad with lemon vinaigrette, fresh fruit, and a strong coffee or a sparkling citrus spritz.

Culinary Context:

Inspired by classic American breakfast bakes, this vegan rendition channels the familiar comfort of egg casseroles while celebrating plant-based technique. The tofu–chickpea custard provides structure and tenderness, while kala namak, a mineral-rich South Asian salt, lends the characteristic eggy perfume. It’s a dish I’ve served after early market runs—letting seasonal vegetables star in a cozy, crowd-pleasing format.

Optional Advanced Instructions:

Make-Ahead: Par-bake the hash brown crust and sauté vegetables up to 24 hours ahead; refrigerate separately. Blend custard just before baking for best lift.
Freeze: Bake, cool completely, then freeze tightly wrapped for up to 2 months. Reheat covered at 350°F (175°C) for 20–25 minutes, then uncover for 5 minutes to re-crisp.
Parallel Prep: Start par-baking the base, then immediately sauté vegetables and blend custard; you’ll assemble as soon as the base comes out, minimizing downtime.

Timing:

Prep Time: 25 minutes
Cook Time: 1 hour 3 minutes (20 minutes par-bake + 7–8 minutes sauté + 35 minutes bake)
Resting (non-cook): 10 minutes

Course:

Breakfast (also perfect for Brunch)

Origin:

Modern American, diner-inspired with a plant-based twist.

Nutrition

Calories: 305kcalCarbohydrates: 39gProtein: 13gFat: 12gSaturated Fat: 2gPolyunsaturated Fat: 3gMonounsaturated Fat: 5gSodium: 1129mgPotassium: 999mgFiber: 5gSugar: 5gVitamin A: 2311IUVitamin C: 47mgCalcium: 171mgIron: 4mg

Keyword make-ahead breakfast, tofu egg bake, Vegan Breakfast Casserole, Vegan Brunch

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