Tomato and Avocado Open-Faced Sandwich with Poached Egg
A vibrant open-faced sandwich featuring ripe tomato, creamy avocado, and a perfectly poached egg for a satisfying brunch. This mediterranean-inspired brunch (vegetarian) ready in about 20 minutes combines sourdough bread slices, ripe avocado, ripe tomato, sliced into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 350 calories and feeds 2, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 slices sourdough bread slices
- 1/2 ripe avocado
- 1 medium ripe tomato, sliced
- 2 large eggs
- 1 tbsp white vinegar
- 1/2 tsp salt
- 1/4 tsp black pepper
- 1 tsp fresh lemon juice
- 1 tbsp olive oil
- 1/4 cup microgreens or fresh herbs
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Toast 2 slices sourdough bread until golden and crisp, then drizzle each with 1 tbsp olive oil.
- Step 2: In a small bowl, mash 1/2 ripe avocado with 1 tsp fresh lemon juice and 1/4 tsp salt until creamy but slightly chunky.
- Step 3: Spread the mashed avocado evenly over the toasted bread slices.
- Step 4: Layer 1 medium sliced ripe tomato evenly on top of the avocado spread.
- Step 5: Bring a medium saucepan of water to a gentle simmer and add 1 tbsp white vinegar.
- Step 6: Crack 2 large eggs one at a time into small cups, then gently slide each egg into the simmering water. Poach eggs for 3-4 minutes until whites are set but yolks remain runny.
- Step 7: Using a slotted spoon, carefully remove the poached eggs and drain briefly on paper towels.
- Step 8: Place one poached egg on top of each tomato-covered toast, then season with 1/2 tsp salt and 1/4 tsp black pepper.
- Step 9: Garnish with 1/4 cup microgreens or fresh herbs and serve immediately.
Frequently asked questions
How long does Tomato and Avocado Open-Faced Sandwich with Poached Egg take to make?
Total time is about 20 minutes (10 min prep + 10 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.
How do I store leftover Tomato and Avocado Open-Faced Sandwich with Poached Egg?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.
Can I substitute ingredients in Tomato and Avocado Open-Faced Sandwich with Poached Egg?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Tomato and Avocado Open-Faced Sandwich with Poached Egg for a different number of people?
The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Tomato and Avocado Open-Faced Sandwich with Poached Egg vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★★
Simple elegance on a plate! The tomato acidity cut through the avocado beautifully.
- ★★★★★
The avocado and tomato combo was divine, and the poached egg added the perfect richness. Made for a Sunday gathering and everyone asked for the recipe!
- ★★★★★
This is now my go-to brunch for entertaining. The Mediterranean touch with lemon zest made it feel special.








