Watermelon Feta Olive Sandwich

Category: Midday Meals with a Crispy Twist

This watermelon sandwich offers a flavorful twist with juicy watermelon, tangy feta, and briny Kalamata olives tucked into toasted ciabatta rolls. Fresh mint, basil, and red onions add vibrant notes, while a drizzle of olive oil ties everything together. Light, crisp, and cooling, it’s ideal for quick summer lunches or snacks. Toasting the bread provides a satisfying crunch, and the sandwich pairs wonderfully with sparkling water or chilled rosé. Can be made vegan by swapping the feta. For extra greens, try adding arugula or baby spinach. Simple, colorful, and full of Mediterranean-inspired flavors, it’s ready in just 10 minutes.

A woman with long hair and a white shirt.
Updated on Sun, 25 May 2025 15:14:50 GMT
Watermelon Sandwich Save
Watermelon Sandwich | krispywithmia.com

There is nothing quite like the burst of juicy watermelon paired with creamy feta, briny olives, and fresh herbs nestled in crisp ciabatta rolls. This watermelon sandwich became my go-to bite for lazy summer afternoons—bright, salty, and deeply refreshing. If you are searching for a meal that packs flavor but still feels light, look no further.

I still remember the first time I threw this together at a family picnic Everyone was skeptical until they tasted it and now it is requested at every summer gathering

Ingredients

  • Watermelon: thick slices seedless choosing a crisp watermelon with deep pink flesh gives the best texture and flavor
  • Red onion: thinly sliced for a mild kick aim for fresh and firm onions
  • Fresh mint leaves: for a cool aromatic boost pick leaves that look vibrant and unbruised
  • Fresh basil leaves: herbal depth that lifts the sandwich use fresh bunches with bright green leaves
  • Feta cheese: crumbly and creamy choose block feta in brine for the richest taste
  • Kalamata olives: pitted and sliced adding savory depth go for glossy and plump olives for more flavor
  • Extra virgin olive oil: luscious mouthfeel and a bit of peppery bite look for cold pressed and fruity oil
  • Freshly ground black pepper: adds spice use whole peppercorns and crack just before using
  • Ciabatta rolls: or another crusty bread for a sturdy base pick bread with a crisp crust and soft interior

Step-by-Step Instructions

Pat the Watermelon Dry:
Lay the watermelon slices on a paper towel and press gently with another towel to absorb extra moisture. This prevents sogginess and keeps the texture pleasant.
Toast the Ciabatta:
Slice your rolls in half. Place them cut side down on a hot skillet or in a toaster oven. Toast until the bread is crisp and just golden to bring out the flavor and prevent it from getting soggy.
Layer the Watermelon:
Place a watermelon slice on the bottom half of each roll. Let it cover the bread but do not let it hang off the edges for easier handling.
Add the Feta:
Evenly sprinkle crumbled feta over the watermelon slice. Let it stick into the moist fruit so it does not fall out when you eat.
Top with Olives and Onion:
Scatter sliced olives and red onion over the feta. Try to distribute them so every bite gets a little of both flavors.
Finish with Herbs:
Tear mint and basil leaves with your fingers and toss over the sandwich. This releases the oils and makes the flavors more pronounced.
Drizzle and Season:
Lightly drizzle extra virgin olive oil over the assembled ingredients and add freshly ground black pepper for a hint of heat.
Assemble and Serve:
Top with the remaining bread half. Press gently to hold everything together. For a double watermelon version add another slice before closing with the top roll. Slice the sandwich in half and eat right away for the freshest taste.
A sandwich with tomatoes, onions, and olives. Save
A sandwich with tomatoes, onions, and olives. | krispywithmia.com

Without question the feta is my favorite part here It turns the juicy watermelon into a savory treat with its creamy and tangy complexity. The first time I made this my family raised eyebrows but quickly decided it would be a staple at our summer gatherings—especially with a chilled drink nearby.

Storage tips

If you need to make these ahead prep all the fillings separately and store in airtight containers in the fridge. Toast bread right before assembling and pat the watermelon dry again for best texture. Assembled sandwiches are best eaten immediately otherwise the bread can get soggy.

Ingredient substitutions

If feta is not your thing try creamy ricotta salata or a mild goat cheese. For a dairy free version plant based feta is a solid stand in. Brioche or French bread can substitute for ciabatta if you want a slightly different bite. No fresh herbs on hand dried mint or basil works in a pinch but use about half as much.

Serving suggestions

This sandwich shines next to a green salad or crisp cucumbers with a sprinkle of sea salt. For parties slice sandwiches into mini halves for an appetizer platter. I sometimes add a splash of balsamic glaze or a layer of arugula for a peppery kick.

Two sandwiches with tomatoes, onions, and olives. Save
Two sandwiches with tomatoes, onions, and olives. | krispywithmia.com

Cultural and historical context

Watermelon feta salads are a summer classic in Mediterranean and Middle Eastern cuisines. The sandwich version was inspired by this global tradition but skips the knife and fork for simple handheld enjoyment. It is a fresh way to bring big flavors to the table without cooking.

Recipe FAQs

→ Can I use a different type of bread?

Yes, any crusty roll such as baguette or sourdough works well, but ciabatta offers a nice texture and flavor.

→ How do I keep the sandwich from getting soggy?

Pat the watermelon slices dry thoroughly before assembling and toast the rolls lightly for extra crunch.

→ Is this sandwich suitable for vegans?

Yes, simply swap out feta cheese for your favorite plant-based alternative for a vegan version.

→ What herbs complement the flavors best?

Fresh mint and basil add brightness, but you can also try arugula or parsley for a different twist.

→ Can it be made ahead of time?

It’s best enjoyed fresh, but you can prep the ingredients in advance and assemble just before serving.

→ What beverages pair well with this sandwich?

Chilled rosé or sparkling water with lime both pair beautifully with the fresh, summery flavors.

Watermelon Feta Olive Sandwich

Refreshing watermelon, feta, and olives fill this light sandwich, ideal for quick, flavorful summer snacks.

Prep Time
10 min
Cook Time
~
Total Time
10 min
By: Mia Chen

Category: Lunch Ideas

Skill Level: Easy

Cuisine: Fusion

Yield: 2 Serves (2 sandwiches)

Diet Suitability: Vegetarian

Ingredients

→ Produce

01 4 thick slices seedless watermelon, about 1/2-inch thick, rind removed
02 1/2 small red onion, thinly sliced
03 1 small handful fresh mint leaves
04 1 small handful fresh basil leaves

→ Dairy

05 1/2 cup feta cheese, crumbled

→ Pantry

06 1/4 cup pitted Kalamata olives, sliced
07 2 teaspoons extra virgin olive oil
08 Freshly ground black pepper, to taste

→ Bread

09 2 ciabatta rolls or similar crusty sandwich rolls, sliced in half

Steps

Step 01

Pat the watermelon slices dry with paper towels to remove excess moisture.

Step 02

Lightly toast the ciabatta rolls until golden and crisp.

Step 03

On the bottom half of each roll, layer a slice of watermelon.

Step 04

Sprinkle crumbled feta evenly over the watermelon. Add sliced olives, red onion, and scatter mint and basil leaves on top.

Step 05

Drizzle with extra virgin olive oil and season with freshly ground black pepper. Top with the remaining watermelon slice, if desired, or finish with the top half of the roll.

Step 06

Press gently, slice in half, and serve immediately.

Notes

  1. For a vegan version, substitute feta with plant-based cheese.
  2. Try adding arugula or baby spinach for extra greens.
  3. Pairs well with a chilled rosé or sparkling water with lime.
  4. For open-faced sandwiches, omit the top roll.

Tools You’ll Need

  • Serrated bread knife
  • Cutting board
  • Paper towels

Allergen Info

Check every ingredient for potential allergens, and consult a health professional if unsure.
  • Contains: Wheat (gluten)
  • Contains: Milk (feta cheese)
  • Contains: Olives (may be processed in facilities with other allergens)

Nutrition Facts (Per Serving)

These details are approximate and shouldn’t replace professional advice.
  • Calories: 320
  • Fats: 12 g
  • Carbohydrates: 41 g
  • Proteins: 9 g