1.
Preheat
the
oven
to
400
degrees.
Line
an
oven
safe
baking
dish
with
parchment
paper.
2.
Prepare
the
pasta
for
the
lasagna
according
to
the
manufacturer's
instructions.
3.
Spoon
a
generous
spoonful
or 2
of
the
tomato
sauce
onto
the
parchment
paper
in
the
bottom
of
the
baking
dish.
Spread
the
sauce
around
well
to
evenly
coat
the
parchment
paper
at
the
bottom
of
the
dish.
4.
Add
the
first
layer
of
pasta
to
the
baking
dish,
and
then
spoon
a
generous
spoonful
of
ricotta
over
the
pasta.
Spread
the
ricotta
thinly,
yet
evenly
over
the
pasta,
making
sure
to
reach
the
corners
so
that
the
pasta
does
not
dry
out
during
baking.
5.
Spoon
an
even
amount
of
the
small
meat
balls
over
the
ricotta.
Make
sure
to
distribute
the
meat
balls
evenly
over
the
ricotta;
then
spoon
a
generous
amount
of
the
tomato
sauce
evenly
over
the
meat
balls
and
ricotta.
Sprinkle
the
top
of
the
tomato
sauce
with
a
small
amount
of
the
grated
mozzarella.
6.
Repeat
steps
4
and
5
until
you
have
used
at
least
4
layers
of
pasta.
7.
Over
the
last
layer
of
pasta,
first
spoon
an
even
layer
of
tomato
sauce
over
the
top
of
the
pasta
to
create
a
thin
layer
over
the
top
of
the
pasta.
Then,
evenly
distribute
the
rest
of
the
meat
balls
over
the
sauce.
Sprinkle
the
parmigiano
over
the
top
of
the
lasagna.
8.
Cover
the
baking
dish
with
aluminum
foil
and
place
the
dish
in
the
bottom
rack
of
the
oven.
Bake
for
25 -
30
minutes.
9.
After
25 -
30
minutes,
uncover
the
lasagna
and
bake
another
10
minutes
more
to
brown
the
cheese
on
top.
10.
When
the
lasagna
is
finished
cooking,
remove
it
from
the
oven
and
let
it
cool
for
approximately
10
minutes
before
serving.
Serve
with
extra
parmigiano.